Question
A random sample of size 200 is to be taken from a population that has a proportion equal to .30 . The sample proportion will
A random sample of size 200 is to be taken from a population that has a proportion equal to .30 . The sample proportion will be used to estimate the population proportion. a. Calculate the probability that the sample proportion will be within + and - .03of the population proportion. b. Calculate the probability that the sample proportion will be within + and - 3standard of the population proportion. c. Calculate the probability that the sample proportion will be within + and - .06 of the population proportion.
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To calculate the probabilities in this scenario we can use the normal distribution approximation since the sample size is large n 200 and the sampling ...
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Business Statistics A Decision Making Approach
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
9th Edition
013302184X, 978-0133021844
