A sample of n=16 scores is selected from a normal population with μ=60 and σ=20. A. What is the probability that the sample mean will be greater than 50? Proportion= B. What is the probability that the sample mean will be less than 56? Proportion= C. What sample mean scores from the boundaries for the middle 80%? Proportion=
A sample of n=16 scores is selected from a normal population with μ=60 and σ=20. A. What is the probability that the sample mean will be greater than 50? Proportion= B. What is the probability that the sample mean will be less than 56? Proportion= C. What sample mean scores from the boundaries for the middle 80%? Proportion=
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A sample of n=16 scores is selected from a normal population with μ=60 and σ=20.
A. What is the probability that the sample mean will be greater than 50?
Proportion=
B. What is the probability that the sample mean will be less than 56?
Proportion=
C. What sample mean scores from the boundaries for the middle 80%?
Proportion=
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