By how much must the sample size n be increased if thewidth of the CI (7.5) is to be
Chapter 7, Problem 7(choose chapter or problem)
By how much must the sample size n be increased if thewidth of the CI (7.5) is to be halved? If the sample size isincreased by a factor of 25, what effect will this have on thewidth of the interval? Justify your assertions.
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