Но о : и< 72.2 Η1 : μ> 72.2 is to be carried out for a population where o is known to be 13.1. A random sample has a mean of 74.8 and yields the test statistic of Zc = 0.93092. What was the size of the sample?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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Но : и< 72.2
Η : μ> 72.2
is to be carried out for a population where o is
known to be 13.1. A random sample has a mean
of 74.8 and yields the test statistic of
Zc = 0.93092. What was the size of the sample?
n =
Transcribed Image Text:Но : и< 72.2 Η : μ> 72.2 is to be carried out for a population where o is known to be 13.1. A random sample has a mean of 74.8 and yields the test statistic of Zc = 0.93092. What was the size of the sample? n =
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