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2. For a nomal population with u = 100 and o =15, a. what is the probability of obtaining a sample mean greater than 103 for a sample of n = 25 scores? b. what is the probability of obtaining a sample mean less than 93 for a sample of n=9 scores?

2. For a nomal population with u = 100 and o =15, a. what is the probability of obtaining a sample mean greater than 103 for a sample of n = 25 scores? b. what is the probability of obtaining a sample mean less than 93 for a sample of n=9 scores?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I need help with question 2 both A and B 

Problems: Open book (please show all work!) 1. A nomal distribution has a mean of µ=100 and standard deviation of o = 10. Find the following probabilities: a. p (X< 120) =. b.p (X> 85) =. c.p (86 <X<103) = %3D 2. For a nomal population with u = 100 and o=15, a what is the probability of obtaining a sample mean greater than 103 for a sample of n= 25 scores? b. what is the probability of obtaining a sample mean less than 93 for a sample of n=9 scores?
Transcribed Image Text:Problems: Open book (please show all work!) 1. A nomal distribution has a mean of µ=100 and standard deviation of o = 10. Find the following probabilities: a. p (X< 120) =. b.p (X> 85) =. c.p (86 <X<103) = %3D 2. For a nomal population with u = 100 and o=15, a what is the probability of obtaining a sample mean greater than 103 for a sample of n= 25 scores? b. what is the probability of obtaining a sample mean less than 93 for a sample of n=9 scores?
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