Engineering
Mathematics
Basic Definitions Related to Probability
Question

A fair die is thrown. What is the probability that the score is not a factor of 5?

15

13

56

23

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Solution

The numbers on the die that are factors of 5 are 1 and 5.

P (Score is a factor of 5)  = 26 = 13
P (Score is not a factor of 6) = 1  13 = 23