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You know the following about...

You know the following about the first two days of the week:

Event A is sales exceeding $10,000 on Monday.

Event B is sales exceeding $10,000 on Tuesday.

Pr(A|B) = 0.2.

Which of the following events are true:

--------------------------------------------------------------------------------

1 There is a 20% probability that sales will exceed $10,000 on both Monday and Tuesday.

2 There is a 20% probability that sales will exceed $10,000 on at least one of the first two days of the week.

3 There is a 20% probability that sales will sales will exceed $10,000 on exactly one of the first two days of the week, but not both.

4 If sales exceed $10,000 on Monday then there is a 20% chance sales will exceed $10,000 on Tuesday.

5 None of the above.

Event A is sales exceeding $10,000 on Monday.

Event B is sales exceeding $10,000 on Tuesday.

Pr(A|B) = 0.2.

Which of the following events are true:

--------------------------------------------------------------------------------

1 There is a 20% probability that sales will exceed $10,000 on both Monday and Tuesday.

2 There is a 20% probability that sales will exceed $10,000 on at least one of the first two days of the week.

3 There is a 20% probability that sales will sales will exceed $10,000 on exactly one of the first two days of the week, but not both.

4 If sales exceed $10,000 on Monday then there is a 20% chance sales will exceed $10,000 on Tuesday.

5 None of the above.

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