## In a two-month survey of shoppers, each shopper bought one of two brands of detergent, $$X$$ or $$Y,$$ in the first mont

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### In a two-month survey of shoppers, each shopper bought one of two brands of detergent, $$X$$ or $$Y,$$ in the first mont

by VJesus12 » Wed Jan 12, 2022 10:49 am

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## Global Stats

In a two-month survey of shoppers, each shopper bought one of two brands of detergent, $$X$$ or $$Y,$$ in the first month and again bought one of these brands in the second month. In the survey, $$90$$ percent of the shoppers who bought Brand $$X$$ in the first month bought Brand $$X$$ again in the second month, while $$60$$ percent of the shoppers who bought Brand $$Y$$ in the first month bought Brand $$Y$$ again in the second month. What percent of the shoppers bought Brand $$Y$$ in the second month?

(1) In the first month, $$50$$ percent of the shoppers bought Brand $$X.$$

(2) The total number of shoppers surveyed was $$5,000.$$

Source: Official Guide

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