53.9k views
14 votes
You roll a standard number cube 180 times. predict how many times you will roll a 2 or a 3

User Zgyarmati
by
6.4k points

1 Answer

9 votes

Answer:

60 times.

Explanation:

Prob( of rolling a 2) = 1/6

Prob( of rolling a 3) = 1/6

So Prob( 2 or 3) = 1/6 + 1/6 = 1/3,

So the prediction is 1/3 * 180 = 60.

User Ser Pounce
by
7.0k points
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