The population mean for the average weigh of 12 year old children is 102 pounds and the population standard deviation is 40. A random sample of 50 drawn from a population a. Find the probability that the sample taken will have the average weight of the children will be between 110 and 114. b. What is the probability that the variance for the sample will be between 120 and 200?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
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The population mean for the average weigh of 12 year old children is 102 pounds and the
population standard deviation is 40. A random sample of 50 drawn from a population
a. Find the probability that the sample taken will have the average weight of the children
will be between 110 and 114.
b. What is the probability that the variance for the sample will be between 120 and 200?
Transcribed Image Text:The population mean for the average weigh of 12 year old children is 102 pounds and the population standard deviation is 40. A random sample of 50 drawn from a population a. Find the probability that the sample taken will have the average weight of the children will be between 110 and 114. b. What is the probability that the variance for the sample will be between 120 and 200?
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