Verify that the following function is a probability mass function, and determine the requested probabilities.f(x) = (8/7)(1/2)*, x = {1,2,3}Round your answers to four decimal places (e.g. 98.7654).(a) P(X ≤ 1)(b) P(X > 1)(c) P(2 < X < 9)(d) P(X ≤ 2 or X > 2)

Given,f(x)=8712x ; x=1,2,3 X 1 2 3 f(x) 8712 87122 87123

Answered: Verify that the following function is a…

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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Verify that the following function is a probability mass function, and determine the requested probabilities. f(x) = (8/7)(1/2)*, x = {1,2,3} Round your answers to four decimal places (e.g. 98.7654). (a) P(X ≤ 1) (b) P(X > 1) (c) P(2 < X < 9) (d) P(X ≤ 2 or X > 2)