(Answered) Question the social ladder the following table summarizes

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Question: THE SOCIAL LADDER The following table summarizes the results of a poll conducted with 1154 adults.

a. What is the probability that a respondent chosen at random calls himself or herself middle class?

b. If a randomly chosen respondent calls himself or herself middle class, what is the probability that the annual household income of that individual is between $30,000 and $49,999, inclusive?

c. If a randomly chosen respondent calls himself or herself middle class, what is the probability that the individual's income is either less than or equal to $29,999 or greater than or equal to $50,000?

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