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myrzilka [38]
3 years ago
12

PLEASE HELP WILL MARK BRAINLIEST!!

Mathematics
2 answers:
ira [324]3 years ago
8 0

<em>Answer:</em>

<em>2</em>

<em />

<em>Hope it helps!</em>

Mumz [18]3 years ago
7 0

blob

Step-by-step explanation:

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Think about a population proportion that you may be interested in and propose a confidence interval problem for this parameter.
o-na [289]

Answer: The confidence interval would be (0.2928,0.3672).

Step-by-step explanation:

Since we have given that

Total number of vehicles = 432

Number of SUVs sold = 142

So, it becomes,

\hat{p}=\dfrac{x}{n}=\dfrac{142}{432}=0.33

At 90% confidence interval,

z = 1.645

So, the confidence interval would be

\hat{p}\pm z\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.33\pm 1.645\sqrt{\dfrac{0.33\times 0.67}{432}}\\\\=0.33\pm 0.0372\\\\=(0.33-0.0372,0.33+0.0372)\\\\=(0.2928,0.3672)

Hence, the confidence interval would be (0.2928,0.3672).

8 0
3 years ago
Find the surface area of the following figure.
Leokris [45]

Answer:

164.7 in2

Step-by-step explanation:

Solve for surface area

Shape: Pyramid

Formula: L*W*H

A≈167.13 round to the nearest ten = 164.7 in2

The correct answer to this question is 164.7 in2

So A is the correct answer

<em><u>Hope this helps.</u></em>

5 0
4 years ago
Last month Dory biked 11 times as many miles as Carly together dirt bike the total of 156 miles how many miles did Dory biked la
Lynna [10]
I don't know. check google!
8 0
4 years ago
robert has a piece of rope 12 1/2 feet long. he cut rope into pieces that are 1 1/4 feet long. How many of the shorter pieces wi
Gemiola [76]

Answer:

divide 25.5 by 6

or change them to fractions

51/2  divided by 6   = 51/2 x 1/6 = 51/12 = 4  3/12   = 4 1/2 feet each

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
3(x+7)=6(x+2) help plz!!
VikaD [51]

Answer:

x=3

Step-by-step explanation:

4 0
4 years ago
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