Coping with No Success According to the Rule of Three, when we have a sample size n with
Chapter 7, Problem 42(choose chapter or problem)
Coping with No Success According to the Rule of Three, when we have a sample size n with x = 0 successes, we have 95% confidence that the true population proportion has an upper bound of 3 / n . (See A Look at the Rule of Three, by Jovanovic and Levy, American Statistician, Vol. 51, No. 2.) a. If n independent trials result in no successes, why can't we find confidence interval limits by using the methods described in this section? b. If 40 couples use a method of gender selection and each couple has a baby girl, what is the 95% upper bound for p, the proportion of all babies who are boys?
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