Ahmed recently caught Covid-19. He had contact to 7 persons. Let X be the number of persons he infected, a discrete random variable. Theprobability distribution of X is as follows:12347P(X)0.0790.2030.0790.1180.280.0210.010.21Find the following probabilities (in 3 decimal places):(a) What is the probability that he infected more than 3 persons?(b) What is the probability that he infected 8 persons?(c) What is the probability that he did not infect anybody?

Answered: Image /qna-images/answer/b632f721-b807-4d6d-9eb7-bdbd535bfb7c.jpg

Answered: Ahmed recently caught Covid-19. He had…

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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