In a survey of U.S. adults with a sample size of 2044, 400 said Franklin Roosevelt was the best president since World War ll. Two U.S. adults are selected at random from this sample complete a,b,c,d A: the probability that both adults say Franklin Roosevelt was the best president since World War ll is: B: The probability that neither adult says Franklin Roosevelt was the best president since world war ll is: C: the probability that at least one of the two adults says Franklin Roosevelt was the best president since world war ll is: D: which of the events can be considered unusual?

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A: The answer is attached below.

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