A population has a mean of μ = 30 and a standard deviation of σ = 8 A) 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? B) 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? C) 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?
A population has a mean of μ = 30 and a standard deviation of σ = 8 A) 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? B) 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? C) 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?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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A population has a
A) If the population distribution is normal, what is the
B) 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?
C) 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?
D) 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?
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