A. We wish to estimate the proportion of students who do not like their baby pictures. We'd like to be 91% confident and accurate within 5% of the true proportion. Find the minimum sample size necessary.

B. Most of a bag of Chocolate Chip cookies was eaten to see how many chocolate chips were contained in each cookie. Here is a sample of some of the data. A sample was taken of 30 chocolate chip cookies. The mean was found to be 21.33 with a standard deviation of 6.

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