The Rockwell hardness X of certain metal pins is known to have a mean of u = 50and a standard deviation o = 4.Assume that the distribution of all such pin hardness measurements is known to benormal.Suppose a pin is randomly selected from the population. What is the probability thatthe hardness of this pin is less than 46?That is, what is the probability P(X < 46)?0.1587O 0.02280.00.30850.06680.8413

Answered: Image /qna-images/answer/505a677a-9c35-48ec-b58e-f945775b7bf0.jpg

Answered: The Rockwell hardness X of certain…

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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