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Find ci for the true proportion traveling to france

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Reference no: EM131747953

Question: Travel and Transportation To advertise appropriate vacation packages, Best Bets Travel would like to learn more about families planning overseas trips. In a random sample of 125 families planning a trip to Europe, 15 indicated France as their travel destination.

a. For those families planning vacations to Europe, find a 98% confidence interval for the true proportion traveling to France.

b. Suppose no prior estimate of p^ is known. How large a sample is necessary for the bound on the error of estimation to be 0.05 with the confidence level in part (a)?

Reference no: EM131747953

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