# Who eats breakfast? Students in an urban school were curious about how many children

## Problem 49 Chapter 5.2

The Practice of Statistics | 5th Edition

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The Practice of Statistics | 5th Edition

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Problem 49

Who eats breakfast? Students in an urban school were curious about how many children regularly eat breakfast. They conducted a survey, asking, Do you eat breakfast on a regular basis? All 595 students in the school responded to the survey. The resulting data are shown in the two-way table below.8 Male Female Total Eats breakfast regularly 190 110 300 Doesnt eat breakfast regularly 130 165 295 Total 320 275 595 If we select a student from the school at random, what is the probability that the student is (a) a female? (b) someone who eats breakfast regularly? (c) a female and eats breakfast regularly? (d) a female or eats breakfast regularly?

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Econ 225: Ex.  You have 12 shirts in your closet. 9 White shirts, 3 Black shirts. Suppose you pick a shirt at random. Put it on, when you get home you take it off and wash it. Suppose you do the same thing the next day, without replacing the first shirt. What is the probability that both shirts you picked out are white Day 1: P(Picking a white shirt)= 9/12 (9 white shirts/...

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