**Problem Statement:**A sample of $ n = 4 $ scores is selected from a normal population with a mean of $ \mu = 50 $ and a standard deviation of $ \sigma = 20 $. What is the probability of obtaining a sample mean greater than $ M = 48 $?**Options:**- $ p = 0.4207 $- $ p = 0.3446 $- $ p = 0.6554 $- $ p = 0.5793 $

Answered: Image /qna-images/answer/58655196-51b7-4d89-bba0-175711fcbf15.jpg

A sample of n = 4 scores is selected from a normal population with a mean of u = 50 and a standard deviation of o = 20. What is the probability of obtaining a sample mean greater than M = 48? Op=0.4207 Op= 0.3446 Op= 0.6554 Op= 0.5793

A sample of n = 4 scores is selected from a normal population with a mean of u = 50 and a standard deviation of o = 20. What is the probability of obtaining a sample mean greater than M = 48? Op=0.4207 Op= 0.3446 Op= 0.6554 Op= 0.5793

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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Question

**Problem Statement:**

A sample of $ n = 4 $ scores is selected from a normal population with a mean of $ \mu = 50 $ and a standard deviation of $ \sigma = 20 $. What is the probability of obtaining a sample mean greater than $ M = 48 $?

**Options:**

- $ p = 0.4207 $
- $ p = 0.3446 $
- $ p = 0.6554 $
- $ p = 0.5793 $

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