average height of all male students in the school is less than 185 centimeter? Use 5% level of significance

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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Twenty male students selected at random have an average
height of 180 centimeters with a standard deviation of 10
centimeter. Are these data sufficient to assume that the
average height of all male students in the school is less than
185 centimeter? Use 5% level of significance
Transcribed Image Text:Twenty male students selected at random have an average height of 180 centimeters with a standard deviation of 10 centimeter. Are these data sufficient to assume that the average height of all male students in the school is less than 185 centimeter? Use 5% level of significance
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