Find the indicated probability and interpret the result.From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Averagewas 651. A random sample of 32 years is selected from this population. What is theprobability that the mean gain for the sample was between 400 and 700? Assumeo = 1540.The probability is(Round to four decimal places as needed.)

0.3922 or 39.22%Explanation:If you have any questions please let me know in comment box thankyou.

Answered: Find the indicated probability and…

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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Suppose that insurance companies did a survey. They randomly surveyed 400 drivers and found that 310 claimed they always buckle up. We are interested in the population proportion of drivers who claim they always buckle up. Which distribution should you use for this problem? (Round your answer to four decimal places.)
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