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Face 1 2 3 4 5 6
Frequency 12 18 y 30 2y 45

Given the table above as the results of tossing a fair die 150 times. Find the probability of obtaining a 5.

A.

110

B.

16

C.

15

D.

310

Correct answer is C

Probability of obtaining a 5 = frequency of 5total frequency

12+18+y+30+2y+45=150105+3y=150

3y=45;y=15

Probability of 5 = 2×15150=15



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