IQ scores form a normal distribution with a mean of μ = 100 and a standard deviation of σ = 15. What is the probability of obtaining a sample mean greater than M = 103? for a random sample of n = 9 people? for a random sample of n = 25 people? for a random sample of n = 100 people?
IQ scores form a normal distribution with a mean of μ = 100 and a standard deviation of σ = 15. What is the probability of obtaining a sample mean greater than M = 103? for a random sample of n = 9 people? for a random sample of n = 25 people? for a random sample of n = 100 people?
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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- IQ scores form a
normal distribution with amean of μ = 100 and a standard deviation of σ = 15. What is the probability of obtaining a sample mean greater than M = 103? - for a random sample of n = 9 people?
- for a random sample of n = 25 people?
- for a random sample of n = 100 people?
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