population has a mean of μ = 30 and a standard deviation of σ = 8. Standard Normal Distribution Mean = 0.0 Standard Deviation = 1.0 -3-2-10123z.5000.50000.0000 If the population distribution is normal, what is the

population has a mean of μ = 30 and a standard deviation of σ = 8. Standard Normal Distribution Mean = 0.0 Standard Deviation = 1.0 -3-2-10123z.5000.50000.0000 If the population distribution is normal, what is the

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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Question

A population has a mean of μ = 30 and a standard deviation of σ = 8.

Standard Normal Distribution

Mean = 0.0

Standard Deviation = 1.0

-3-2-10123z.5000.50000.0000

If the population distribution is normal, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 4?

0.3085

0.4013

0.0228

Cannot be determined

If the population distribution is positively skewed, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 4?

0.0228

Cannot be determined

0.3085

0.4013

If the population distribution is normal, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 64?

Cannot be determined

0.3085

0.4013

0.0228

If the population distribution is positively skewed, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 64?

Cannot be determined

0.0228

0.3085

0.4013

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