Suppose that the mean daily viewing time of television is 8. 35 hours. Use a normal probability distribution with a standard deviation of 2. 5 hours to answer the following questions about daily television viewing per household.

Answers

Answer 1

The probability that a household views television between 5 and 10 hours a day is :  0.6553

Given data :

mean daily viewing time ( μ ) = 8.35 hours

standard deviation ( σ ) = 2.5 hours

Determine the probability of a household view btw 5 and 10 hours a day

P ( 5 ≤ x ≤ 10 )

= P ((5 - 8.35 )/2.5 < z < ( 10 - 8.35 )/2.5)

= P ( -1.34 < z < 0.66 )

Therefore the probability  P ( 5 ≤ x ≤ 10 )  becomes

P( z < 0.66 ) - P ( z < -1.34 )

= 0.7454 - 0.0901   ( applying normal tables )

= 0.6553

Hence we can conclude that The probability that a household views television between 5 and 10 hours a day is :  0.6553

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What is the probability that a household views television between 5 and 10 hours a day


Related Questions

Brock bought his house for $135,200. A local real estate agent predicts that the house will appreciate in value 5% each year. What will the value of brock’s house be in 25 years?.

Answers

The Appreciation of the house was resolved by applying the appreciation formula which took in Starting cost of the house, the rate and the Period

The final Value is $457827.76

Analysis of Appreciation

Give Data

Cost of House =  $135,200

Rate = 5%

Time = 25 years

Starting value =  $135,200

Appreciation rate = 5%

Period  = 25 years

Final value =??

Final Value = Starting value * (Appreciation rate + 1)^period

Substituting our given Data We have

Final Val = 135,200 * (5/100 + 1)^25

Final Val = 135,200 * (0.05 + 1)^25

Final Val = 135,200 * (1.05)^25

Final Val = 135,200 *3.3863

Final Val = $457827.76

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Let us calculate 5% of $135,200

Amount in increment = 5/100*135,200

Amount in increment = 0.05*135,200

Amount in increment =$6760

This means that every year

A mixture of he and ne at a total pressure of 0. 95 atm is found to contain 0. 32 mol of he and 0. 56 mol of ne. The partial pressure of ne is ________ atm.

Answers

Here is the explanation

Melissa drives her car with a constant speed of 74 miles per hour. How far can she travel in 4 hours?.

Answers

74*4=296
Just multiply number of hrs by the speed to get each answer:)

AGAIN AGAIN and AGAIN

Answers

Answer:

The answer is D

Explanation:

Mitosis is part of the cell cycle and includes all of the following steps except which one?.

Answers

Answer:

In cell biology, mitosis (/maɪˈtoʊsɪs/) is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division gives rise to genetically identical cells in which the total number of chromosomes is maintained. Therefore, mitosis is also known as equational division. In general, mitosis is preceded by S phase of interphase (during which DNA replication occurs) and is often followed by telophase and cytokinesis, which divides the cytoplasm, organelles and cell membrane of one cell into two new cells containing roughly equal shares of these cellular components. The different stages of mitosis altogether define the mitotic (M) phase of an animal cell cycle—the division of the mother cell into two daughter cells genetically identical to each other.

Explanation:

Hope this helps! :)

The density of salty solution of water as compared to the density of pure water is always.

Answers

Answer:

Average density at the surface is 1.025 kg/l. Seawater is denser than both fresh water and pure water (density 1.0 kg/l at 4 °C (39 °F)) because the dissolved salts increase the mass by a larger proportion than the volume.

Explanation:

The mood of the men in this passage is best described as:.

Answers

Answer:

Where's the passage :)

Explanation:

Listen to the audio and then answer the following question. Feel free to listen to the audio as many times as necessary before answering the question. Who is most likely speaking? el maestro de español el maestro de inglés el maestro de anatomía el maestro de matemáticas.

Answers

The teacher who is speaking in the audio can be easily identified if we identify key terms that give us clues about their area of specialized knowledge.

How to identify the teacher from the audio?

To obtain accurate information from an audio, what we must do is listen carefully and pay attention to every detail that is mentioned in the audio.

In this case it is a professor of a particular area. To identify what it is, we must associate each area of knowledge with specific terms such as:

Spanish - Spanish words.English - verbs, structures and words in English.Anatomy - bones, muscles, body parts, among others.Mathematics - symbols, operations, equations, formulas, among others.

Note: This question is incomplete because the audio is missing. However I can answer it based on my prior knowledge.

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Answer:

C

Explanation:

The ph of a particular solution is given by mc031-1. Jpg, where x represents the concentration of the hydrogen ions in the solution, in moles per liter. Which graph models the ph of this solution?.

Answers

Answer:

The answer is the first graph

Explanation:

(a)

Answer:

A. the first graph

Explanation:

:)

What is the correct order of color from hottest star to coldest?.

Answers

Answer:

blue, white, yellow, red.

Explanation:

Yellow stars are hotter than red stars. White stars are hotter than red and yellow. Blue stars are the hottest stars of all.

hope this helps.

In sentence 9 (reproduced below), which version of the underlined text best maintains the tone of the passage? partly because viral content often makes people get all weepy, social media has also provided powerful fund-raising opportunities.

Answers

The version of the underlined text best maintains the tone of the passage is that has a strong emotional appeal.

What is a strong emotional appeal?

An emotional appeal is known to be often used when one is said to manipulate of the emotions instead of the use of valid logic to win an argument.

An  Emotional appeal is regarded as a logical fallacy, that a debater often use to win an argument by trying to get an emotional feedback from the opponent or audience.

See options below

as it is now

hits people right in the stomach

manipulates people’s emotions

has a strong emotional appeal

wrings tears from its viewers

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What words did the author use to show that they were looking forward to eat the hopia.

Answers

Answer:

here

Explanation:

The author uses historical evidence to claim them by:

"They use secondary-source quotations to show the plan that the commanders devised in Alligator Woods in August of 1791"

Further Explanation

Historical comparison is one of the qualitative research methods that examine aspects of social life that occurred in the past or that occurred in different cultures. Historical comparisons are often used as one of the most effective methods to examine how social change occurs and to look for basic traits that are common to society.

In comparison, there are many things that need to be done, namely making a clear concept, looking for facts (historical evidence) in the field, evaluating the facts obtained, organizing and uniting these facts, and writing the facts in the research report.

Broadly speaking, there are four types of facts '(historical evidence)' which are divided into primary sources, secondary sources, current records, and recollections. which will be explained as follows:

Primary sources are qualitative or quantitative data about events or social life in the past that were created and used in past periods, can be in the form of photos, films, newspapers, etc.

- Recollection is a person's argument or writing about his life based on his past or memory.

-The walking record uses pre-existing statistical research based on files, records or documents.

Secondary sources are qualitative and quantitative data used in historical research, which can be information about past events and settings written by historians not directly involved in the research.

In the text above, the writer explains that historical evidence is in the text that emphasizes the past, namely "August 1791"

Learn More

historical evidence brainly.com/question/11938330, brainly.com/question/11790452

Details

Class: Middle School

Subject: English

Keywords: historical evidence...

Find the perimeter of the following shape, rounded to the nearest tenth: shape abcd is shown. Point a is at negative 3, 5. Point b is at 1, 7. Point c is at 3, 3. Point d is at negative 1, 1. 12 13. 9 17. 9 20.

Answers

Answer:

The answer is 17.9

Explanation:

First, set up the distance formula. I recommend using Point A and Point B but you can use Point C and Point D if you want.

Next, add in the x and y coordinates.

[tex]\sqrt{(1 - -3)^2 + (7 - 5)^2}[/tex]

[tex]\sqrt{16 + 4}[/tex]

[tex]\sqrt{20} = 4.47[/tex]

Finally, multiply 4.47 by 4 to get 17.88 and then round to the nearest tenth, which is 17.9.

Hope this helps. :)

A club has 25 members, 20 boys and 5 girls. Two members are selected at random to serve as president and vice president. What is the probability that both will be girls?.

Answers

The probability that both will be girls is 1/30.

What is probability?

Probability is a branch of mathematics that deals with the numerical description of how likely an event will occur or not.

To find the probability of both girls as president and vice president, first, we need to find the probability of picking a girl as the president and then also find the probability of picking a girl as the vice president and multiply both together.

The probability of picking a girl as the president(Pr(pres) = Total numbers of girls(n)/Total members in the club(M)Pr(pres) = n/M............Equation 1

From the question,

Given:

M = 25 n = 5

Substitute into equation 1

Pr(Pres) = 5/25Pr(Pres) = 1/5.

Also, we need to find the probability of selecting a girl as the vice president.

Pr(v.p) = (n-1)/(M-1)

Where:

Pr(v.p) = Probability of selecting a girl as the vice president
Pr(v.p) = (5-1)/(25-1)Pr(v.p) = 4/24Pr(v.p) = 1/6

Finally,

The probability that both will be girls is = (1/5)(1/6)The probability that both will be girls = 1/30

Hence, The probability that both will be girls is 1/30.
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Despite wilson working for the party, what can be inferred by him writing "down with big brother" over and over in his diary?.

Answers

It can be inferred that even if this character works for the party he does not support the party and is creating a plan to betray it.

Who is Winston in 1984?

Winston is the main character in the book 1984. He is a man that works in the records department of the only party that seems to dominate the world in a futuristic London.

This character has a diary and in it, he writes multiple times the words "down with big brother" referring to the leader of the party big brother.

What does this phrase show?

This phrase shows Winston does not support the party despite working for it. Moreover, this acts as anticipation of Winston later betraying the party.

Note: This question is incomplete because there is no information provided about the title of the story. Here is the missing information:

"1984" by George Orwell.

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How many liters of 0. 1107 m kcl(aq) contain 15. 00 g of kcl?.

Answers

[tex]\huge \underline\frak \red{Answer}[/tex]

number of moles

N = sample mass/molar mass

N= 0.1107/74.6

N= 0.2010 moles of KCL

therefore

molarity = moles/volume

0.1107 = 0.2010/V

V = 0.2010/0.1107

V = 1.815L

Which state had the largest latino population in 2000?.

Answers

Answer:

Hispanic origin groups were concen- trated in different states. The largest Mexican populations (more than a million) were in California, Texas, Illinois and Arizona, mostly south- western states.

Explanation:

hope it will help you have a great day bye and Mark brainlist if the answer is correct

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#carry on learning

Answer:

New Mexico

Explanation:

Hispanics made up the largest share of the population of New Mexico, accounting for more than two in five residents, while they made up about one-third of the population of both California and Texas.

4 ways in which you can address the identified socio economic factors to achieve your goal.

Answers

The four ways to address the socioeconomic factors to achieve one's goal are;

Get sufficient active and passive income streams.Get quality Education.Be conscious of age barriers.Ensure community safety and get social support.

Socioeconomic factors and the limitations they pose

A series social and economic factors, including income, education, employment, community safety, and social supports can significantly influence how well and how fast one's goals are achieved. These factors affect our ability to create wealth, make healthy choices, afford medical care and housing, manage stress, and more.

Read more on socioeconomic factors;

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The nurse says the letter r is the name of this animal.

Answers

The story of Romeo and Juliet is a very interesting One. The nurse says the letter r is the name of the dog.

What does the letter “R.” meant?

In the story of Romeo and Juliet , When the nurse delivered the letter to Romeo, Romeo ask the Nurse what the letter “R.” meant in the context of what they were discussing about What Rosemary and Romeo in the later means.

The Nurse told Him that that was the Dog and They both (Rosemary and Romeo) are very important to Juliet.

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What is most likely the author’s reason for telling the reader that, "not being a mandevillian," he/she may not appreciate or understand certain aspects of the story?.

Answers

The author’s reason for telling the reader that, "not being a mandevillian," he/she may not appreciate or understand certain aspects of the story is; To emphasize how foreign Mercer is.

Understanding an Author's Reason

This question is taken from the story called 'La Juanita' which is a short but colorful story that tells us about Mandeville which was a small town where regatta, the race of ships used to be held.

La Juanita from from the title is the name of a ship and at the same time the name of a girl whose beauty can hypnotize.

Now, in the story the author emphasized not being a mandevillian may make one not appreciate or understand certain aspects of the story. This was to show that captain Mercer Grangeman with her name and colors was foreign and could not understand the story.

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Which of the following was a consequence of britain’s policy of appeasement?.

Answers

Answer: C. Stalin and Hitler signed ….

Explanation: i just took the test.

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