In a recent poll, 4545% of survey respondents said that, if they only had one child,...

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In a recent poll, 4545% of survey respondents said that, if they only had one child,...

In a recent poll,

4545%

of survey respondents said that, if they only had one child, they would prefer the child to be a boy. Suppose you conducted a survey of

160 randomly selected students on your campus and find that 79 of them would prefer a boy.(a) Use the normal approximation to the binomial to approximate the probability that, in a random sample of 160 students, at least 79 would prefer a boy, assuming the true percentage 45%.

(b) Does this result contradict the poll? Explain.

(a) The probability that at least 79 students would prefer a boy

79 students would prefer a boy is

math Statistics-And-Probability

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In a recent poll, 45% of survey respondents said that, if they only had one child,...

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