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Look again at the data in the electronic communications in

Look again at the data in the electronic communications in Exercise 54.

a) If we select a respondent at random, what’s the probability that we choose a person earning less than $50 K and responded “somewhat”?

b) Among those earning $50-99.9K, what is the probability that the person responded “not at all”?

c) What’s the probability that a person who responded “very much” was earning at least $100K?

d) If the person responded “very much,” what is the probability that they earn between $50K and 99.9K?

e) Are the responses to the question and income level independent?

a) If we select a respondent at random, what’s the probability that we choose a person earning less than $50 K and responded “somewhat”?

b) Among those earning $50-99.9K, what is the probability that the person responded “not at all”?

c) What’s the probability that a person who responded “very much” was earning at least $100K?

d) If the person responded “very much,” what is the probability that they earn between $50K and 99.9K?

e) Are the responses to the question and income level independent?

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