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Two different colored dice are rolled simultaneously. What is the probability of getting a sum of at least 5?

Question

Two different colored dice are rolled simultaneously. What is the probability of getting a sum of at least 5?

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Solution

To solve this problem, we need to understand the total number of outcomes when two dice are rolled and the number of outcomes that result in a sum of at least 5.

Step 1: Determine the total number of outcomes When two dice are rolled, each die has 6 faces. So, the total number of outcomes is 6*6 = 36.

Step 2: Determine the number of outcomes that result in a sum of at least 5 The pairs that sum to at least 5 are: (1,4), (1,5), (1,6), (2,3), (2,4), (2,5), (2,6), (3,2), (3,3), (3,4), (3,5), (3,6), (4,1), (4,2), (4,3), (4,4), (4,5), (4,6), (5,1), (5,2), (5,3), (5,4), (5,5), (5,6), (6,1), (6,2), (6,3), (6,4), (6,5), (6,6). That's a total of 30 pairs.

Step 3: Calculate the probability The probability of an event is the number of favorable outcomes divided by the total number of outcomes. So, the probability of getting a sum of at least 5 when two dice are rolled is 30/36 = 5/6.

This problem has been solved

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