Mathematics, 07.03.2020 05:41, roxyfranciscus

According to a survey, 49% of U. S. adults have purchased a state lottery ticket in the past 12 months. Of these 49%, about 27.5% have annual incomes less than $36,000. (Adapted from Gallup) (a) Find the probability that a randomly selected U. S. adult purchased a state lottery ticket in the past 12 months and has an annual income less than $36,000. (b) Find the probability that a randomly selected U. S. adult who purchased a state lottery ticket in the past 12 months has an annual income greater than or equal to $36,000. (c) Would it be unusual for a randomly selected U. S. adult to have purchased a state lottery ticket in the past 12 months and to have an annual income less than $36,000? Explain.

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According to a survey, 49% of U. S. adults have purchased a state lottery ticket in the past 12 mont...