One survey has been done on the Intelligent Quotients (IQ) assessment among all university students, where the population are normally distributed with a mean of 100 and a standard deviation of 15. Another study wants to carry out the same survey that has a sample of 40 students from university A. Compute the probability that the mean IQ of the sample is i. Greater than 105 and less than 107. ii. Not more than 109.
One survey has been done on the Intelligent Quotients (IQ) assessment among all university students, where the population are normally distributed with a mean of 100 and a standard deviation of 15. Another study wants to carry out the same survey that has a sample of 40 students from university A. Compute the probability that the mean IQ of the sample is i. Greater than 105 and less than 107. ii. Not more than 109.
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
![One survey has been done on the Intelligent Quotients (IQ) assessment
among all university students, where the population are normally distributed
with a mean of 100 and a standard deviation of 15. Another study wants to
carry out the same survey that has a sample of 40 students from university
A. Compute the probability that the mean IQ of the sample is
i.
Greater than 105 and less than 107.
ii.
Not more than 109.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdaf12be5-99a1-41fc-b634-30003853126f%2F6c252274-74f0-428f-a9a3-00a5036ab6d0%2Fgo78uhh_processed.png&w=3840&q=75)
Transcribed Image Text:One survey has been done on the Intelligent Quotients (IQ) assessment
among all university students, where the population are normally distributed
with a mean of 100 and a standard deviation of 15. Another study wants to
carry out the same survey that has a sample of 40 students from university
A. Compute the probability that the mean IQ of the sample is
i.
Greater than 105 and less than 107.
ii.
Not more than 109.
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