In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25. Suppose 300 adults from this population are randomly selected for a market research campaign. The probability that the sample mean IQ is greater than 115 is: 0.452. 0.528. 0.019. 0.981.

In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25. Suppose 300 adults from this population are randomly selected for a market research campaign. The probability that the sample mean IQ is greater than 115 is: 0.452. 0.528. 0.019. 0.981.

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25. Suppose 300 adults from
this population are randomly selected for a market research campaign. The probability that the sample mean IQ is greater
than 115 is:
0.452.
0.528.
0.019.
0.981.
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