Redo the calculations for the significance test

Reference no: EM131423472

More on downloading music via P2P. Refer to the previous exercise. Because we are not exactly sure about the size of the 2007 sample, redo the calculations for the significance test and the confidence interval under the following assumptions, and summarize the effects of the sample sizes on the results.

(a) The first sample size is 500.

(b) The first sample size is 1500.

Reference no: EM131423472

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