Answer:
The 93% confidence interval is [tex] 26.52 < \mu < 33.48 [/tex]
Step-by-step explanation:
From the question we are told that
The sample size is n = 41
The mean is [tex]\= x = 30[/tex]
The standard deviation is [tex]\sigma = 12.3[/tex]
From the question we are told the confidence level is 93% , hence the level of significance is
[tex]\alpha = (100 - 93 ) \%[/tex]
=> [tex]\alpha = 0.07[/tex]
Generally from the normal distribution table the critical value of [tex]\frac{\alpha }{2}[/tex] is
[tex]Z_{\frac{\alpha }{2} } = 1.81[/tex]
Generally the margin of error is mathematically represented as
[tex]E = Z_{\frac{\alpha }{2} } * \frac{\sigma }{\sqrt{n} }[/tex]
=> [tex]E = 1.812 * \frac{12.3}{\sqrt{41} }[/tex]
=> [tex]E = 3.48 [/tex]
Generally 93% confidence interval is mathematically represented as
[tex]\= x -E < \mu < \=x +E[/tex]
=> [tex] 30 -3.48 < \mu < 30 + 3.48 [/tex]
=> [tex] 26.52 < \mu < 33.48 [/tex]
The perimeter of a rectangular field is 294 yards. If the length of the field is 92 yards, what is its width?
Answer:
w = 55 yards
Step-by-step explanation:
P = 2*(l + w)
P - perimeter, l - length, w - width
294 = 2*( 92 + w)
294/2 = 92 + w
147 = 92 + w
w = 147 - 92
w = 55
ASAP plz I need help
Answer: 30
Step-by-step explanation:
Plug in x for the expression
6^2 + x - x^2
36 + (3) - (3)^2
36 + 3 - 9
39 - 9
= 30
What is the answer to 5 3x + 12- 6x = -9
Answer:
x=-21/47
Step-by-step explanation:
Answer:
[tex]x=7[/tex]
Step-by-step explanation:
Step-By-Step on how to solve it is in the attached picture below.
Hope this helps! :)
which expressions correctly represent the decimal 57.036?
Answer:
57 + 0.036
good luck...
John drove his car 385 miles on one tank of gas. If his car had 15.4 gallons of gas in it, how many miles per gallon did John drive?
Answer:25
Step-by-step explanation:
385/15.4=25
Answer:
25
Step-by-step explanation:
385 divided by 15.4 is 25
6th grade math I mark as brainliest
Answer:
D
Step-by-step explanation:
Help meeee please I’m stuck on a question
Answer:
I will help u if I can.....
Answer:
GHJGJYYJ
Step-by-step explanation:
What is the d stand for????
Answer:
The missing variable
Step-by-step explanation:
D=2
Jackie drinks a bottle of water and a bottle of orange juice every morning.
The bottle of water has 16.9 ounces. The bottle of orange juice has 15.2 ounces.
Which is the best estimate for the total amount Jackie drinks in the morning for an entire week
and gives a good explanation for that estimate?
Answer:
15.30
Step-by-step explanation:
use code tiko
Answer:
ayo what
Step-by-step explanation:
The flagpole in front of Silver Pines Elementary School is 18.375 feet tall. What is 18.375 rounded to the nearest tenth?
Answer:
18.4
Step-by-step explanation:
What is An equivalent fraction to 1/2 with a denominator as 10?
Answer:5/10
Step-by-step explanation:
1/2 x 5 = 5/10
A plane is at Manchester, which is 170km north of Worcester. The plane flies in a straight line for 230km and lands in Cambridge, which is directly east of Worcester.
Show this information in a diagram.
Use your diagram to find the bearing of Manchester from Cambridge.
Answer:
ok so I found the answer, the plane has to go back to north
Step-by-step explanation:
Well first you have to remember the plane was supposed to go north
But then he crashed at East so he has to go back to North
I hope this answered your question, Also for the diagram
Um you can draw a quick picture that shows all of this information,
So like, a triangle that shows where he needed to go and where he
went and in how many km it was from there to there.
Im new so If this Did not help please get another person
The bearing of Manchester from Cambridge is 286 kilometers.
Given that a plane is at Manchester, which is 170km north of Worcester, and the plane flies in a straight line for 230km and lands in Cambridge, which is directly east of Worcester, to find the bearing of Manchester from Cambridge the following calculation must be done, applying the Pythagorean Theorem:
170² + 230² = X² √ (28,900 + 52,900) = X √81,800 = X 286 = X
Therefore, the bearing of Manchester from Cambridge is 286 kilometers.
Learn more in https://brainly.com/question/14930619
Which answer choice represents the difference of 20 and 3 times a number?
A) 3j + 20
B) 20(3j)
C) 20 - 3j
D) (20 • 3)j
Write an equation of a line that passes through the point (-3, -5) and have a slope of -4/3
Answer:
y= -4/3x - 9
Step-by-step explanation:
Mark bought a computer and it depreciated over 5 years, using the straight line method. The computer was worth $2,350 in 2005 and in 2010 it was worthless. How much was it worth in 2008?
Answer:
The computer was worth $970 in 2008
Step-by-step explanation:
The reason for this is that when you are trying to solve these types of problems use below:
2350/5 = 470
starting price / years = per year loss
2350 - 470 = ? three times for three years till 2008
The answer then is $940 in 2008.
If this helped you then please checkout my channel called The Game Rater. Thank you this means a lot.
What do you already know about linear relationships?
Answer:
A linear relationship (or linear association) is a statistical term used to describe a straight-line relationship between two variables. Linear relationships can be expressed either in a graphical format or as a mathematical equation of the form y = mx + b.
a sand box has the length that is 5 1/2 and a width that is 4 4/5 feet. what is the area of the sandbox?
Answer:
26 2/5 feet
Step-by-step explanation:
A recipe needs 1/2 cup of water for every 2 cups of sugar. If you plan to use 8 cups of sugar, how much water will you need?
Answer:
you need 2 cups of water. :)
Step-by-step explanation:
Charlie runs 7 miles in 80 minutes. At the same rate, how many miles would he run in 64 minutes?
Answer:
5.6 miles
Step-by-step explanation:
Cross Multiplying to solve for x
x = 7*64/80
x = 5.6mi
Answer:
5.6 miles in 64 minutes
Derek wants to buy a skateboard for $56.00. The store
is offering a discount of 5% on all items. What price will
Derek pay for the skateboard, not including tax?
Answer: 53.2$
Step-by-step explanation:
5/100 × 56 = 2.8
So, 56.00 $ - 2.8$ = 53.2$
CAN SOMEONE HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE WITH MY WORK GO MY QUESTIONS AND YOU SEE THE QUESTION INEED HELP WITH BELOW
Answer:
for the lake one i THINK its 3
Step-by-step explanation:
1. Mrs. Gribble went to the grocery store and spent $10.80 on pizzas, $4 on apples, and $29.99 on diapers. How much money did Mrs. Gribble spend? 2. Mrs. Bond had $100 to spend at the mall. She bought a shirt for $16.75 and a pair of shoes for $50.86. How much money does she have left? (two questions)
Answer:
1. Spent $44.79
2.She has $32.39 left
Step-by-step explanation:
Work out the value of
6.105 * 108
3.7 x 10
Give your answer in standard form.
Answer:
277,425,4
Step-by-step explanation:
6.105 x 10
3.7 x 10
Answer:
Step-by-step explanation:
find the value of 1.42
Answer:
Right-tailed p-value: P(Z > z) = 0.0778038
Hopefully that's the answer you're looking for, I added a picture as well :)
I need the answer of this, can you tell me the answer plz ( i need the eleventh one )
Answer:
I believe the area will double
well the area is affected because it will be double the size that it originally was
area=16×24
Which value of I makes the equation 6 (0.52 – 1.5) + 20 =-9- (1 + 6) true? 0 - 14 O1 14
List the missing properties a, b, and c used when simplifying 1 2 ( 5 3 × 5 4 ) × 6 5 .
Answer:
A)distributive B)communitive C)associative
Step-by-step explanation:
Write the coordinates of the point C after dilation with scale factor of 5, centered at the orgin
Answer:
It's C buddy
Step-by-step explanation:
Which of these triangle pairs can be mapped to each other using a reflection
and a translation? Triangles LRK and ARQ are connected at point R.
Triangle L R K is reflected across point R to form triangle ARQ. Triangles LP
Kand QR A are shown. Triangle LPK is reflected across a line to form
triangle QRA. Triangle QR A is shifted to the right of triangle L P K. Triangles
LPK and QR A are shown. Triangle LPK is shifted down and to the left to
form triangle QRA. Triangles LP K and QR A are shown. Triangle LPK is
rotated to form triangle QRA. Triangle QR A is also shifted to the right.
Answer:
b
Step-by-step explanation:
b b b b b b b b b b b b b b b b b b b b bb b b b b b b b b b b b b b b b b b
yes
Which type of rock is shale?
A. Metamorphic
B. Extrusive igneous
C. Intrusive igneous
O D. Sedimentary
< PREVIOUS
Answer:
sedimentary
Step-by-step explanation:
Answer:
D. Sedimentary
Step-by-step explanation:
sedimentary