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11 January, 04:14

What is the probability of rolling a 3 with a number cube that has the numbers 1, 2, 3, 4, 5, and 6 and then, tossing heads with a coin?

A. 1/12

B. 1/8

C. 1/2

D. 2/3

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Answers (2)
  1. 11 January, 04:25
    0
    There are 6different numbers on a cube and 3 is one of them so P (getting a 3) = 1/6

    P (getting a head with the coin) = 1/2

    These 2 events are independent so their probs are multiplied

    So P (3 then head) = 1/6 8*1/2 - = 1/12
  2. 11 January, 04:37
    0
    Since the possibility of possible outcome is independent for the two events, we can calculate the first one as 1 in 6, and the second one as 1 in 2. Multiply 1/6 and 1/2 the answer is 1/12.
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