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zhannawk [14.2K]
2 years ago
15

Jean's bedroom is 12 feet by 12 feet. She has chosen a carpet which costs $28.10 per square yard. This includes installation.

Mathematics
1 answer:
AfilCa [17]2 years ago
4 0

Answer:

$449.60

Step-by-step explanation:

12 x 12 = 144, her room is 144 square feet. One yard is three feet, making a square yard equal to 9 square feet. 144 divided by 9 is 16 square yards. Now we do 16 times the installation cost $28.10. So 16 x 28.10 = 449.6, or $449.60.

I hope this helps!

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Answer:

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p_v =2*P(z  

Step-by-step explanation:

Information given

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\hat p=\frac{51}{564}=0.0904 estimated proportion of people who rated the overall services as poor  

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z would represent the statistic

Hypothsis to analyze

We want to analyze if the proportion of customers who would rate the overall car rental services as poor is 0.1, so then the system of hypothesis are:  

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Alternative hypothesis:p \neq 0.1  

The statistic for a one z test for a proportion is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info given we got:

z=\frac{0.0904 -0.1}{\sqrt{\frac{0.1(1-0.1)}{564}}}=-0.760 \approx -0.8  

And the p value since we have a bilateral test is given b:

p_v =2*P(z  

3 0
3 years ago
Two angles of a triangle have measures with a sum of 84 degrees. what is the measure of the third angle of the triangle?
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Answer:

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Step-by-step explanation:

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I hope this helps you

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