A coin is tossed 15 times. Calculate the probability of getting 10 crowns or more. Give the answer to two decimal places. Remember the correct decimal separator.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A coin is tossed 15 times. Calculate the probability of getting 10 crowns or more. Give the answer to two decimal places. Remember the correct decimal separator.

Expert Solution
Step 1

Coin tossed 15 times 

N=15 

P(getting 10 or more crowns) =? 

P(crown)=1/2 = 0.5

P(not crown) = 1-1/2 = 1/2 = 0.5

Formula :

P(X=x) = NCx*Px *q(N-x ) 

Where :

NCx = N!/(x! * (N-x )!)

 

 

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