On a spinner : p(3)=3l8 and the p(4) = 1/3 What is the probability of getting 3 or 4

asked Dec 28, 2018 149k views

2 votes

On a spinner :
p(3)=3l8 and the p(4) = 1/3
What is the probability of getting 3 or 4

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7 votes

Landing on a 3 and landing on a 4 are mutually exclusive events, so

$\mathbb P(3\cup 4)=\mathbb P(3)+\mathbb P(4)=\frac38+\frac13=(17)/(24)$

JaredH answered Jan 3, 2019

6.2k points

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