After a college's football team once again lost a football game to the college's arch rival,...

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Question

Answer 1

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Answer #1

Solution

Answer, c 0.64±0.094

given : n = 100 , r = 64

r 64 100 sample proportion (p) =

for 95% confidence level, 2a-1.96

formula: con fidence interval for the true proportion p

$=hat p pm z_{rac{alpha }{2}}*left { sqrt{rac{hat p*(1-hat p)}{n}} ight }$

0.64 * (1-0.64) 100 0.64 ± 1.96 *

0.64 0.094

Answer 2

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