a. What is the probability that the sample mean will be within +/- 5 of the population mean (to 4 decimals)? .6826 b. What is the probability that the sample mean will be within +/- 10 of the population mean (to 4 decimals)? .9544
a. What is the probability that the sample mean will be within +/- 5 of the population mean (to 4 decimals)? .6826 b. What is the probability that the sample mean will be within +/- 10 of the population mean (to 4 decimals)? .9544
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
![A population has a mean of 200 and a standard deviation of 50. Suppose a sample of size 100 is selected and x is used to
estimate u. Use z-table.
a. What is the probability that the sample mean will be within +/- 5 of the population mean (to 4 decimals)?
.6826
b. What is the probability that the sample mean will be within +/- 10 of the population mean (to 4 decimals)?
.9544](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffbe4d004-b0c7-4fb9-bd84-121b248ea820%2F2a36131d-1569-4f75-b184-b9e6e60bb353%2F96nc3cu_processed.png&w=3840&q=75)
Transcribed Image Text:A population has a mean of 200 and a standard deviation of 50. Suppose a sample of size 100 is selected and x is used to
estimate u. Use z-table.
a. What is the probability that the sample mean will be within +/- 5 of the population mean (to 4 decimals)?
.6826
b. What is the probability that the sample mean will be within +/- 10 of the population mean (to 4 decimals)?
.9544
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