Question: Consider the data table reported in Exercise 3.3.1. (a) What is the probability that someone in this study is from the low income group and

Consider the data table reported in Exercise 3.3.1.
(a) What is the probability that someone in this study is from the low income group and smokes?
(b) What is the probability that someone in this study is not from the low income group?
(c) What is the probability that someone in this study is from the medium income group?

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