Author Question: The table shows the number of each Ford car sold in the United States in June. Suppose the sales ... (Read 77 times)

TVarnum · **on:** Feb 14, 2020

Question 1

Three fair coins are tossed and either heads or tails is observed for each coin. Events A and B are defined as follows.

A: {Three heads are observed}.
B: {Exactly two heads are observed}.

Is P(A ∪ B) equal to the sum of P(A) and P(B)? Explain.

Question 2

The table shows the number of each Ford car sold in the United States in June. Suppose the sales record for one of these cars is randomly selected and the type of car is identified.

Type of Car	Number
Sedan	7,204
Convertible	9,089
Wagon	20,418
SUV	13,691
Van	15,837
Hatchback	15,350
Total	81,589

Events A and B are defined as follows.

A: {Convertible, SUV, Van}
B: {Fewer than 10,000 of the type of car were sold in June}

Is P(A ∪ B) equal to the sum of P(A) and P(B)? Explain.

HandsomeMarc · **Reply #1 on:** Feb 14, 2020

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