The students in a certain high school have an average height of 160 cm with a standard deviation of 12 cm. Random samples of size 50 will be taken. 1.) What percentage of the random samples will have a sample mean greater than 165 cm? a.) 0.0016 b.) 2.95 2.) What percentage of the random sample mean will have a sample mean within 2 cm of the population mean? a.) .7620 b.) 1.118
The students in a certain high school have an average height of 160 cm with a standard deviation of 12 cm. Random samples of size 50 will be taken. 1.) What percentage of the random samples will have a sample mean greater than 165 cm? a.) 0.0016 b.) 2.95 2.) What percentage of the random sample mean will have a sample mean within 2 cm of the population mean? a.) .7620 b.) 1.118
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 14PPS
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The students in a certain high school have an average height of 160 cm with a standard deviation of 12 cm. Random samples of size 50 will be taken.
1.) What percentage of the random samples will have a sample
a.) 0.0016
b.) 2.95
2.) What percentage of the random sample mean will have a sample mean within 2 cm of the population mean?
a.) .7620
b.) 1.118
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