Question

A number cube is labelled 1 to 6. The cube is rolled 60 times. Predict how many times each outcome will occur. Explain each answer.
a)1 is rolled.
b)An even number is rolled
c)A number greater than 3 is rolled
d)9 is rolled.

You don't have to answer every question. Just answer one but tell me how you did it.

Answer 1

a fair cube is expected to come up an equal number of times on each side

6 sides, 60 rolls
... each side is expected 10 times

a) 10 ... expected outcome

b) 30 ... expected outcome

c) 30 ... expected outcome

d) 0 ... only 6 sides