Answered: Using the Binomal distribution if N=8…

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Using the Binomal distribution if N=8 and p= 0.4, find P(x=3)

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

Using the Binomal distribution

if N=8 and p= 0.4,

find P(x=3)

Expert Solution

Step 1

Here the random variable X has binomial distribution

With parameter n = 8, p = 0.4 & q = 1-p = 1-0.4 = 0.6

We know,

P(X = x) = ⁿCx*P^x*q^(n-x)

= n!/[x!(n-x)!]*P^x*q^(n-x)

Step by step

Solved in 2 steps

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