Researchers often enter a lot of data into statistical software programs. The probability of making zero to two errors per 1,000 keystrokes is 0.51, and the probability of making three to five errors per 1,000 keystrokes is 0.25. Find the probabilities (per 1,000 keystrokes) associated with each of the following.

at most 2 errors:
at least 3 errors:
at most 5 errors:
more than 5 errors:

Answers

Answer 1

Answer:

at least 3

Step-by-step explanation:


Related Questions

A nan brought a cow for $200 and sold it to gain $50. What was his gain as a percentage of the cost price?​

Answers

Answer:

25%

Step-by-step explanation:

Given that,

The cost price of a cow, CP = $200

Gain = $50

We need to find the gain percentage of the cost price.

SP = CP + gain

= 50 + 200

= $250

[tex]\text{Gain}\%=\dfrac{\text{Gain}}{CP}\times 100\\\\=\dfrac{50}{200}\times 100\\\\=25\%[/tex]

So, the gain percent is 25%.

What is the unit rate of store A?

•$0.75 / notebook

•$0.50 / notebook

•$0.80 / notebook

•None of the above

What is the unit rate of store B ?

•$0.60 / notebook

•$0.30 / notebook

•$0.55 / notebook

•None of the above

Which store has the better deal per notebook? *

•Store A

•Store B

•The unit rate is the same at both stores

Answers

STORE B BECAUSE LOW RATES IS BETTER THAN HIGH

How many even 2-digit positive integers can be written using the numbers 2, 4, 5, and 8?

Answers

Answer:

12

Step-by-step explanation:

To have an even integer the number's endian has to be an even number. Consider the 2-digit positive number like _ _ and place the number of possible options out of four total options in each blank space. We have 3 even options, so we can fill the endian blank like this _ 3

Since the first digit can be any number, therefor, we have 4 options for the first blank space 4 3. Just multiply the two numbers and you have the answer.

22, 24, 28, 42, 44, 48, 52, 54, 58, 82, 84, 88

What’s is 9 divided by 3/10

Answers

Answer:

30

Step-by-step explanation:

9/(3/10)=9*(10/3)=30

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question not used

Answers

Erroripairedwithmymomohno.exe has stopped working.

Just do numbers 1-6,22-24, and 25-26
ill give brainliest for the best answer
work doesn't need to be shown

Answers

1. 0.625

2. 0.22222222222

3. 0.43243243243

4. -0.11111

5. 0.54

6. -0.75

22. −2 21/50

23. -4/25

24. -13/20

25. 0.62

26. 7/15

Luke's Auto Wash earned $10 from servicing 2 customers. How many
customers does Luke's Auto Wash need to serve in order to earn $15? *

Answers

5 more because 10 divided by 2 is 5 and when u add 5 by 5 you get 10 and when you also add another 5 you get 15 so yeah

Hi Im giving brainlest whoever answer this correctly

Answers

Step-by-step explanation:

1.

36

2×18

2×9

3×3 therefore prime factorization is 2²×3²

2.

42

2×21

3×7 therefore prime factorization is 2×3×7

3.

48

3×16

2×8

2×4

2×2 therefore prime factorization is 2⁴×3

4.

27

3×9

3×9 therefore prime factorization is 3³

the area of rectangular plot of land fenced all round is 2000 sq. yards and the total length of fencing 180 yards. find the length and width of plot

Answers

9514 1404 393

Answer:

length: 50 ydwidth: 40 yd

Step-by-step explanation:

The perimeter is twice the sum of length and width. Then the sum of length and width is 90 yards. Their product is the area, so we have ...

  x(90 -x) = 2000 . . . . where x is length or width

  x^2 -90x +2000 = 0 . . . . rearrange to standard form

  (x -40)(x -50) = 0 . . . . . . . factor

  x = 40  or  x = 50

The dimensions of the rectangular plot are 40 yards by 50 yards.

The radius of a circle is 4 kilometers. What is the circle's area?
r=4 km
Use 3.14 for .
square kildmeters
Submit

Answers

Answer:

50.27km

Step-by-step explanation:

divide the circumference by 3.14 ( pi ) to find the diameter of the circle. Half the diameter is the radius. Square the radius and multiply by pi to find the area of the circle.

Answer:

Step-by-step explanation:

Helppp Plzz!!!!!!!!! 20PTS and Brainliest!!!!!!!

Answers

Answer: 37.5

Step-by-step explanation:

Use a proportion for this type of problems

I’ll mark you brainliest if you answer

Answers

Answer:

A=Pier^2

a=pie2.5^2

a=19.63

A=Pier^2

a=pie2^2

a=12.57

19.63 - 12.57

=7.07

B

please answer asap no trolls

Answers

Answer:

It would probably be 15 actually

Answer:

3

Step-by-step explanation:

Triangle inequalities.

a-b < c < a+b

13-11<x<13+11

2<x<24

X has to be greater than 2.

The next whole number greater than 2 is 3.

So the smallest whole number for the third side is 3.

What is the explicit formula for a sequence for which the first five terms are 0, 0, 1, 5, and 23

Answers

Answer: n-1

Step-by-step explanation:

Please help me answer this :)
Explain your answer

Will give brainiest

Answers

Answer:

d. 770

Step-by-step explanation:

35 gallons per min

after 12 mins there is 350 gallons of water

35 x 12 = 420

how much water was in the tank BEFORE the valve was opened

350 + 420 = 770

What is the difference of 30 and -12?

Answers

the difference between 30 and -12 is 42

difference means subtract so since it’s 30 - -12 you change it to addition and -12 becomes 12

30 + 12 = 42

20 POINTS FOR THE FIRST PERSON TO ANSWER

Matt has a bag of candy form a party. The bag contains 8 chocolate bars, 5 pieces of gum,
8 lollipops, and 4 jawbreakers. Which statement is true?
A. The probability of randomly selecting a piece of gum is less than the probability of randomly
selecting a lollipop.
B. The probability of randomly selecting a chocolate bar is equal to the probability of randomly
selecting a jawbreaker.
C. The probability of randomly selecting a lollipop is greater than the probability of randomly
selecting a chocolate bar.
D The probability of randomly selecting a piece of qum is

Answers

Answer: its A

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

the probability of selecting a piece of gum is less because there's less gum in the bag then there are lollipops

what is one-fourth of 24

Answers

Answer:

6

Step-by-step explanation:

One fourth is ÷4

24÷4=6

Answer:

6...? I don't know why you are doing first grade math again...

Step-by-step explanation:

I would thank u a bunch of u could help me with this! ASAP

Answers

The answer to your question is B
Answer: is the second one

Rita is hiking along a trail that is 14.8 miles long. So far she has hiked along one-tenth of the trail.

How far has Rita hiked?

Answers

Answer:

1.48 miles

Step-by-step explanation:

If the trail is 14.8 miles and Rita has hiked 1/10 of it. Then just multiply 14.8 by 1/10.

14.8 * 1/10 = 1.48 miles.

Answer:

1.48

Step-by-step explanation:

I know the answer is correct

please help! asap
d- 5.44

Answers

Answer:

Step-by-step explanation:

2.72 is the unit rate

What is the slope of the line that passes through
the points (-8, 8) and (8, –5)?

Answers

Answer:

-13/16

Step-by-step explanation:

slope = rise/run = (-5 - 8)/(8 - (-8)) = -13/16

3(-4x + 8)=.................​

Answers

Answer:

-144 or 2 5

Step-by-step explanation:

Answer:

144

Step-by-step explanation:

Simplify.
√64x12
Assume that the variable x represents a positive real number.
I
Х
$
?.

Answers

Answer:

[tex]=32 \sqrt{3x[/tex]

Step-by-step explanation:

Given that:

[tex]Simplify \ \sqrt{(64x)(12)}[/tex]

[tex]When \ simplifying \ radicals, we \ split \ them \ up by \ their \ factors[/tex]

i.e.

[tex]=\sqrt{64} \ * \sqrt{12} \ * \sqrt{x}[/tex]

[tex]=8 \ * 4\sqrt{3} \ * \sqrt{x}[/tex]

[tex]=32 \sqrt{3x[/tex]

A scientist is studying the characteristics of butterflies and collects a random sample of butterflies to measure. Information regarding the wingspan of the butterflies is shown in the histogram below.

A histogram titled Butterfly Wingspans has wingspans on the x-axis and frequency on the y-axis. Wingspan of 3 has frequency 6; 3.5, 3; 4, 8; 4.5, 14; 5, 6; 5.5, 3; 6, 5; 6.5, 6.7

Which of the following is a true statement regarding the information shown in the histogram?

Wingspan is a categorical variable.
Wingspan is a discrete quantitative variable.
Wingspan is a continuous quantitative variable.
Frequency is a continuous quantitative variable.

Answers

Answer:

I believe it's C. Wingspan is a continuous quantitative variable.

The wingspan is a continuous quantitative variable.

What is a continuous variable?

A continuous variable is defined as a variable that can take an uncountable set of values or an infinite set of values.

We have,

Wingspan values on the x-axis are given as:

-3 to 3.5

- 3.5 to 4

- 4 to 4.5

- 4.5 to 5 and so on.

These are continuous quantitative variables.

The frequency is given as:

0, 1, 2, 3, 4, 5, ... and so on.

These are discrete quantitative variables.

Thus wingspan is a continuous quantitative variable.

Learn more about continuous variables here:

https://brainly.com/question/13339063

#SPJ2

Identify the slope and y-intercept for the linear equation below.
y = 1/3x+7

Answers

Answer:

Slope is 1/3.

Y-intercept is 7.

Step-by-step explanation:

y = mx + b is the slope-intercept form.

m = slope

b = y-intercept

In the equation, y = 1/3x + 7

m = 1/3

b = 7

Therefore, slope is 1/3 and y-intercept is 7.

Hope this helped! <3

Answer:

Slope is 1/3 and the y- intercept is 7

Step-by-step explanation:

Since the equation is y = mx+b, we know that 1/3 is the slope since m represents the slope and b represent the y-intercept, meaning 7 is the answer.

What is the solution of the equation? square root b - 17 + square root b = 1?

Answers

Answer: no solution hope this helps

Answer:

D. No solution

Step-by-step explanation:

correct on edg unit test review, hope that helped!

If a person weighs 130 Ibs and they lose 1/10 of their weight.How much weight was lost

Answers

Answer:

13 lbs

Step-by-step explanation:

to find 1/10 we divide by 10

This can be found by moving the decimal back by one

So 130/10=13

13 lbs were lost

The person lost 13 lbs of weight.

What is weight?

Weight is the measure of how heavy an object is. Weight is measured in standard customary units. The mass of an object is the amount of material it contains.

Given that, the person weight=130 lbs and he lost 1/10 of his weight.

We need to find how much weight was lost.

Now, weight lost [tex]=\frac{1}{10} \times 130=13[/tex] lbs.

Hence, the person lost 13 lbs of weight.

To learn more about the weight visit:

https://brainly.com/question/10069252.

#SPJ2

Mrs. Feinstein recorded the weight, in pounds, of each of her 8 great-grandchildren, Her data are shown 45. 52. 31. 27. 38, 60, 44, 55 What is the mean absolute deviation of the data? a 0 pounds b. 9 pounds C 10 pounds d. 44 pounds​

Answers

Answer:

d

Step-by-step explanation:

363/8 is 45. the nearest to that is 44.

add every number and divide by how many there are

D.
Added all the numbers and it was a total of 353 then divided by how many numbers there were so by 8 and 353/8 is 44.125

PLEASE HELP!! WHAT IS x???

Answers

9514 1404 393

Answer:

  x = 90 degrees

Step-by-step explanation:

There are several ways to go about this (as is often the case with math problems). Here, we'll use the fact that an inscribed angle is half the measure of the arc it intercepts.

  arc DE = 2×∠DFE = 60°

  arc EF = 2×∠ECF = 60°

  arc CF = 2×∠CEF = 60°

Then arc DEC is ...

  arc DEC = arc DE +arc EF +arc FC = 60° +60° +60° = 180°

Angle DBC is half the measure of this arc, so is ...

  ∠DBC = 180°/2 = 90° = x

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