Explanation Given: 44% of female undergraduate and 39% of male graduate take on debt. Formula used: The expression of mean is written as, μ = n p Here, μ is the mean. The expression of standard deviation is written as, σ = n p ( 1 − p ) Here, σ is the standard deviation. Expression for standard normal variable is written as z = x − μ σ Calculation: Use the formula of mean and substitute 75 for n and 0.44 for p . μ = ( 75 ) ( 0.44 ) = 33 Use the formula of standard deviation and substitute 75 for n and 0.44 for p . σ = ( 75 ) ( 0.44 ) ( 1 − 0

MATH W/APPLICAT.W/NOTES GDE +ACCESS CODE

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ISBN: 9781323751671

Author: Lial

Publisher: PEARSON C

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Chapter 10.4, Problem 61E

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Chapter 10.4, Problem 60E

Chapter 10.4, Problem 62E

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Chapter 10 Solutions

MATH W/APPLICAT.W/NOTES GDE +ACCESS CODE

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The probability that 27 or fewer female undergraduates take on debt.

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Chapter 10 Solutions