1-Bob and Bill live in an apartment together. Bob is in the apartment 30% of the time overall. But when Bill is in the apartment, Bob is only there 10% of the time. Are Bob and Bill independent in terms of being in the apartment?

Group of answer choices

A- Yes

B-Not enough information to tell

C-No

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2- If A and B are independent then P(A or B) becomes P(A)+P(B)-P(A)P(B).

Group of answer choices

A-True

B-False

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3-If 60% of male-owned businesses are successful in their first year, and 60% of female-owned businesses are successful in their first year, are gender and having a successful business in their first year independent?

Group of answer choices

A-No

B-Yes

C-Not enough information to tell

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4-Starting with the multiplication rule, you can show that

P(B|A)=P(A and B)/P(A)

Hint: Think of how to find P(A|B) on a two-way table. What probabilities do those values represent?

Group of answer choices

A-True

B-False

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5- Two randomly chosen customers are buying laundry soap at the store. 40% of the laundry soap on the shelves is Tide brand. What is the chance that both of them purchase Tide laundry soap?

Group of answer choices

A-None of these choices is correct.

B-80%

C-16%

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