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Quiz 1 (Chapters 1, 2 and 3) Question 4
Quiz 1
4. It has become common for shoppers to comparison shop using the Internet. In a survey, respondents who owned cell phones were asked whether they had, in the past 30 days, looked up the price of a product while they were in a store to see if they could get a better price somewhere else. The table below has responses grouped by income level. Complete parts a and b below.
a) Find the conditional distribution (in percents) of income for those who do not cyber compare prices.
b) Find the conditional distribution (in percents) of income for those who do cyber compare prices
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