Textbook ExpertVerified Tutor
12 Nov 2021
Given information
The sample size is 100. The sample mean and sample standard deviation is 23.6 and 7 hours respectively. The population is normally distributed.
Step-by-step explanation
Step 1.
The formula for the error bound is:
The error bound is directly related to the ratio of the critical z value and the square root of the sample size, given that the standard deviation remains constant.
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