Questions 1-7: Hector will roll two fair, six-sided dice at the same time. Let A =...

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Question

Questions 1-7: Hector will roll two fair, six-sided dice at the same time.

Let A = the event that at least one die lands with the number 3 facing up.

Let B = the event that the sum of the two dice is less than 5.

1. What is the correct set notation for the event that “at least one die lands with 3 facing up and the sum of the two dice is less than 5”?

2. Calculate the probability that at least one die lands with 3 facing up and the sum of the two dice is less than 5.

3. What is the correct set notation for the event that “at least one die lands with 3 facing up if the sum of the two dice is less than 5”?

4. Calculate the probability that at least one die lands with 3 facing up if the sum of the two dice is less than 5.

5. What is the correct set notation for the event that “the sum of the two dice is not less than 5 if at least one die lands with 3 facing up”?

6. Calculate the probability that the sum of the two dice is not less than 5 if at least one die lands with 3 facing up.

7. Are A and B independent? Explain your reasoning.

Answer 1

Answer #1

Answer 2

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