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A spinner has equal regions numbered 1 through 15. What is the probability that the spinner...

A spinner has equal regions numbered 1 through 15. What is the probability that the spinner will stop on an even number or a multiple of 3?

Math   Statistics-And-Probability   
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Answer #1

total numbers of spots (N)=15

spot with even number (E)=7

Spot with multiple of 3 (M)=5

So the probability of getting a spot with even number

So the probability of getting a spot with multiple of 3

Now probability of getting a spot with even number or a multiple of 3 will be

here both the events can occur together at the same time So

then

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