. If she wants to make a 95% confidence interval for the mean with the margin of error of 5 cm, at least how many bushes should be included in her sample?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A researcher wants to estimate the mean height of all the blackberry bushes in cititon park. Based on a prior study,  she assumes that the standard deviation of the heights of all the bushes is 17 cm. If she wants to make a 95% confidence interval for the mean with the margin of error of 5 cm, at least how many bushes should be included in her sample?

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