Suppose you choose a letter at random from the word arkansas. Find P (R)

asked Jun 25, 2019 70.6k views

4 votes

by Keelx

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4 votes

I assume R means choosing a letter "r".

$|\Omega|=8\\ |R|=1\\\\ P(R)=(1)/(8)\approx12.5\%$

Neuronaut answered Jun 26, 2019

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5 votes

There is 1 "R" among the 8 letters. Your probability is
P(R) = 1/8

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