Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 110 minutes and a standard deviation of 15 minutes. What proportion of 1040R tax forms will be completed in less than 85 minutes? Round your answer to at least four decimal places.

Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 110 minutes and a standard deviation of 15 minutes. What proportion of 1040R tax forms will be completed in less than 85 minutes? Round your answer to at least four decimal places.

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

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Suppose that the time required to complete a 1040R tax form is
normally distributed with a mean of 110 minutes and a standard deviation
of 15 minutes. What proportion of 1040R tax forms will be completed in
less than 85 minutes? Round your answer to at least four decimal places.
Explanation
Check
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