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nadezda [96]
3 years ago
7

6th grade math , help me please c:

Mathematics
1 answer:
natka813 [3]3 years ago
4 0

Answer: I believe the answer is B

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Engineers want to design seats in commercial aircraft so that they are wide enough to fit 95​%of all males.​ (Accommodating 100%
Anarel [89]

Answer:

Upper P95 = 16.21in

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 14.4, \sigma = 1.1

Upper P 95

This is the 95th percentile, which is X when Z has a pvalue of 0.95. So X when Z = 1.645.

Then

Z = \frac{X - \mu}{\sigma}

1.645 = \frac{X - 14.4}{1.1}

X - 14.4 = 1.1*1.645

X = 16.21

Upper P95 = 16.21in

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3 years ago
What da answer to 5. and 6? help is needed please plzzzz​
denpristay [2]
5 is 130.48
6 is 826.66
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Every ninth person in line at a movie theater gets free popcorn. Every sixth person gets free apple juice. Shani says that the t
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It is right, because 36 is dividable by 6 and 9 (haha thats the funny number)

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Select 1 answer choices: sizes averages distances areas perimeters
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Answer:

sdfghjkl;

Step-by-step explanation:

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4. How many solutions does this equation have? 10x = x*
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