Question

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A single die is rolled. Find the probability of the sum of the five visible faces being greater than or equal to 19.

Answer 1

no of possible outcomes are 6 that is one number unvisible at one time. no of favaurable outcome are 2


one when no. visible are 2 3 4 5 6. sumis 20
second when no are 1 3 4 5 6 sum is 19
so probability us


$\frac{2}{6} = \frac{1}{3}$