3 years ago

Whats the value exponential expression 36 /2

Mathematics

1 answer:

tresset_1 [31]3 years ago

8 0

The value exponential is 18

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Step-by-step explanation:

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Suppose 40% of the students in a university are baseball players. If a sample of 781 students is selected, what is the probabili

3241004551 [841]

Answer:

$P(p>0.43) = 0.0436$

Step-by-step explanation:

Given

$p = 40\%$ -- proportion of baseball players

$n = 781$ --- selected sample

Required

Determine P(p>43%)

First, calculate the z score using:

$Z = \frac{\^{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

This gives:

$Z = \frac{48\%-40\%}{\sqrt{\frac{40\% *(1 - 40\%)}{781}}}$

Convert % to decimal

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.40 *(1 - 0.40)}{781}}}$

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$Z = \frac{0.43-0.40}{\sqrt{\frac{0.24}{781}}}$

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$Z = \frac{0.03}{0.01752992669}$

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So:

$P(p>0.43) = P(Z>1.71)$

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$P(p>0.43) = 1 - 0.9564$

$P(p>0.43) = 0.0436$

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3 years ago

WOULD APPRECIATE SOME HELP 20 POINTS :)

Jet001 [13]

3rd

ok 3rd

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