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Makovka662 [10]
3 years ago
14

Engineers want to design seats in commercial aircraft so that they are wide enough to fit 90​% of all males.​ (Accommodating 100

% of males would require very wide seats that would be much too​ expensive.) Men have hip breadths that are normally distributed with a mean of 14.9 in. and a standard deviation of 0.9 in. Find Upper P 90. That​ is, find the hip breadth for men that separates the smallest 90​% from the largest 10​%.

Mathematics
1 answer:
gladu [14]3 years ago
4 0

Answer:

  16.053 inches

Step-by-step explanation:

Many such probability questions are easily answered by a suitable calculator or spreadsheet.

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Answer:

x = -25.375

Step-by-step explanation:

4(-8x+5) = -32 x 26

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Combining like terms with negative coefficients<br><br> 8t+1+(−4t)+(−6)
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49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively
mrs_skeptik [129]

Answer:

Stratified sampling

Step-by-step explanation:

In the question, students are selected from subgroups of Sophomore, Junior, and Senior classes.

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This means that the sample numbers of 49, 34 and 48 students were selected in proportion to the subgroup sizes of 496, 348, and 481 students respectively.

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7 0
3 years ago
A city averages 14 hours of daylight in June (the longest days) and 10 in December (the shortest days). Assume that the number o
OLga [1]

We have that the graph will have a solution that is mathematically given as

y=12sin(6t-\pi)+2

<h3>Daylight time June trough to December</h3>

Question Parameters:

A city averages 14 hours of daylight in June (the longest days) and 10 in December (the shortest days).

Generally the equation for the Amplitude and vertical shift is mathematically given as

A=\frac{Max+min}{2}\\\\A=\frac{10+14}{2}

A=2

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vertical shift =\frac{14-10}{2}

vertical shift =1

Therefore, the time is given as

t=\frac{2\pi}{b}

Where

b=\pi/6\\\\t=\frac{2\pi}{\pi/6}

Hence,The graph will have a solution

y=12sin(6t-\pi)+2

For more information on Graph

brainly.com/question/14375099

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3 years ago
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