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

User Keelx
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2 Answers

4 votes
I assume R means choosing a letter "r".


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

User Neuronaut
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6.2k points
5 votes
There is 1 "R" among the 8 letters. Your probability is
P(R) = 1/8
User Tirthankar Kundu
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6.2k points
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