Asked Mar 1, 2020

Two fair dice are rolled 5 times. Let the random variable x represent the number of times that the sum 2 occurs. The table below describes the probability distribution. Find the value of the missing probability.

x P(x)
0 0.868615786121484
2 0.00709074111119579
3 0.000202592603177022
4 2.89418004538603e-06
5 1.65381716879202e-08

Would it be unusual to roll a pair of dice 5 times and get no 2s?
(enter YES or NO) Explain your answer.


Expert Answer

Step 1

Given info:

Here, n=5; p=1/36.


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