Question

Two dice are thrown together. What is the probability that the sum of the number on the two faces is divisible by 4?​

Answer 1

Answer:

⇒Clearly, n(S) = 6 x 6 = 36

⇒Let E be the event that the sum of the numbers on the two faces is divided by 4 or 6.

⇒Then,E = {(1,3),(1,5),(2,2),(2,4),(2,6),(3,1),(3,3),(3,5),(4,2),(4,4),(5,1),(5,3),(6,2),(6,6)}

⇒ n(E) = 14.

⇒ Hence, P(E) = n(E)/n(S) = 14/36 = 7/18

Step-by-step explanation:

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