From previous experience, it was found that 62% consumers check the expiry date of medicines before buying medicines. Assume this value to be the population proportion. Recently, a consumer survey was conducted in which 375 consumers took part. a.What is the probability that the sample proportion will be within ±0.05of the population proportion? b.Will the probability be more, equal or less than the probability in part (a) if a sample size of 700 consumers is chosen?
From previous experience, it was found that 62% consumers check the expiry date of medicines before buying medicines. Assume this value to be the population proportion. Recently, a consumer survey was conducted in which 375 consumers took part. a.What is the probability that the sample proportion will be within ±0.05of the population proportion? b.Will the probability be more, equal or less than the probability in part (a) if a sample size of 700 consumers is chosen?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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From previous experience, it was found that 62% consumers check the expiry date of medicines before buying medicines. Assume this value to be the population proportion. Recently, a consumer survey was conducted in which 375 consumers took part.
a.What is the
b.Will the probability be more, equal or less than the probability in part (a) if a
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