TayJoker3498 TayJoker3498
  • 26-05-2018
  • Mathematics
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A pair of dice is rolled 20 times. what is the probability that a sum of 5 is rolled at least r times

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GraceSpwho
GraceSpwho GraceSpwho
  • 07-06-2018
The probability of the sum of 5 is 5/20 or 1/4.
Solution:
Formula: P(A) = No. of favorable outcomes / Total no. of possible outcomes
P(A) = 5/20
P(A) = 1/4
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