Find how many trees does need to sample to accurate


A study of peach trees showed that the average number of peaches per tree was 2000. The standard deviation of the population is 100. A scientist wishes to find the 90% 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?

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Basic Statistics: Find how many trees does need to sample to accurate
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