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QUESTION
A study of peach trees showed that the average number of peaches per tree was 1000. The standard deviation of the population is 100.
A study of peach trees showed that the average number of peaches per tree was 1000. The standard deviation of the population is 100. A scientist wishes to find the 98% confidence interval for the mean number of peaches per tree. How many trees does she need to sample to be accurate within 10 peaches per tree?
