Binomial Probability - Suppose you flip a fair coin 4 times. What is the probability of getting exactly 3 tails?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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Binomial Probability - Suppose you flip a fair coin 4 times. What is the probability of getting exactly 3 tails? 

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Step 1

Method: 

Using Binomial probability distribution to find probability.

Given that, 

n = 4,     p = 1/2 = 0.5   and x = 3

 

 

 

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