A die was rolled several times

MATHEMATICS · Single correct · GCSE · Mathematics · Probability · Probability

Problem

A die was rolled several times. The numbers

1, 2, 3, 4

and

5

appeared

22, 20, 25, 23

and

18

times respectively. If the empirical probability of getting a

6

was found to be

0.25

, how many times did a

6

appear? (a)

45

(b)

27

(c)

36

(d)

32