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Caroline rolls a fair dice 90 times. How many times would she expect to roll a number greater then 3

2 Answers

3 votes

Answer:

according to my caculations.the answer will be idk because the answer isnt exact

Explanation:

User Butallmj
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Of the possible numbers (1,2,3,4,5,6), 3 are greater than 3. The probability to roll a number greater than 3 is 3 over the 6 total. That can be simplified to 1/2 for the probability. If she rolls the dice 90 times 90 x 1/2 or 45 rolls will receive a number greater than 3.

answer: 45

User Totten
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