TS ICET 23 May 2018 Shift 1 Paper

Question : 149 of 200

Marks: +1, -0

A six sided fail’ die is rolled 3 times. Then the probability that the face with the number 6 on it will not face upward on the three occasions is

Solution:

When three dice are rolled, Probability of getting a six on all three occasions

= (1/6)^3 = 1/216

Probability of not getting a six on all three occasions

=1-1/216=215/216

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