According to a census, the number of household size in a certain city was represented by a random variable X. Given the probability distribution for discrete random variable X below, find the probability that the number of household size is between 3 and 6.

According to a census, the number of household size in a certain city was represented by a random variable X. Given the probability distribution for discrete random variable X below, find the probability that the number of household size is between 3 and 6.

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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Question

According to a census, the number of household size in a certain city was represented by a random
variable X. Given the probability distribution for discrete random variable X below, find the probability
that the number of household size is between 3 and 6.

1
2
3
4
5
7 or more
P(X)
0.267
0.336
0.158
k
0.063
0.024
0.015

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