Please answer the following question, if the question is asking to provide a diagram please provide it.

1)FORTUNE FINANCING wants to estimate the average account balances of its customers to within $50 with 99% confidence. The population standard deviation is $250. How many accounts should be included in the sample?

2)How many students should be sampled to determine the percentage of female students to within a 3% error at a 95% level of confidence?

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