The graph represents the probability that two people in the same room share a birthday
Chapter 9, Problem 75(choose chapter or problem)
The graph represents the probability that two people in the same room share a birthday as a function of the number of people in the room. Call the function f. Number of Persons 0 10 20 30 40 50 60 y x 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Probability That Two People Share the Same Birthday y = f(x) a. Explain why f has an inverse that is a function. b. Describe in practical terms the meanings of f -1 (0.25), f -1 (0.5), and f -1 (0.7).
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