We have a normally distributed data set with a population standard deviation of 7 but we don't know the population mean. Assume confidence level is 95%. What is the minimum sample size we needed to get our E to 1 or below? 199

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Using a TI-84 Plus calculator, I need to know the step by step process to calculate these. I don’t need these just written out on paper, but I also need to be shown the every move made into the calculator. Like, ‘STAT’ then ‘TESTS’ then so on.
We have a normally distributed data set with a population standard deviation of 7 but we don't know the
population mean. Assume confidence level is 95%.
What is the minimum sample size we needed to get our E to 1 or below? 189
Transcribed Image Text:We have a normally distributed data set with a population standard deviation of 7 but we don't know the population mean. Assume confidence level is 95%. What is the minimum sample size we needed to get our E to 1 or below? 189
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