1. A normal population has mean of "u"=20 and standard deviation Q=4. Questions: a. What proportion of the population is less than 18? b. What is the probability that a randomly chosen value will be greater than 25? 2. A normal population has mean of "u"=56 and standard deviation Q=8. What is the 85th percentile of the population?
1. A normal population has mean of "u"=20 and standard deviation Q=4. Questions: a. What proportion of the population is less than 18? b. What is the probability that a randomly chosen value will be greater than 25? 2. A normal population has mean of "u"=56 and standard deviation Q=8. What is the 85th percentile of the population?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. A normal population has
Questions:
a. What proportion of the population is less than 18?
b. What is the probability that a randomly chosen value will be greater than 25?
2. A normal population has mean of "u"=56 and standard deviation Q=8. What is the 85th percentile of the population?
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