4. Need help plz Let $ X $ follow a normal distribution with mean 4.7 and unknown standard deviation. If $ P(X < 9.6) = 0.83 $, what is the standard deviation?Boxed answer: 5.21 ❌

Answered: Let X follow a normal distribution with…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Let X follow a normal distribution with mean 4.7 and unknown standard deviation. If P(X < 9.6) = 0.83, what is the standard deviation? 5.21 X