# Roulette An American roulette wheel has 38 slots with numbers 1 through 36, 0, and 00

## Problem 51 Chapter 5.2

The Practice of Statistics | 5th Edition

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The Practice of Statistics | 5th Edition

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Problem 51

Roulette An American roulette wheel has 38 slots with numbers 1 through 36, 0, and 00, as shown in the figure. Of the numbered slots, 18 are red, 18 are black, and 2the 0 and 00are green. When the wheel is spun, a metal ball is dropped onto the middle of the wheel. If the wheel is balanced, the ball is equally likely to settle in any of the numbered slots. Imagine spinning a fair wheel once. Define events B: ball lands in a black slot, and E: ball lands in an even-numbered slot. (Treat 0 and 00 as even numbers.) 0 (a) Make a two-way table that displays the sample space in terms of events B and E. (b) Find P(B) and P(E). (c) Describe the event B and E in words. Then find P(B and E). (d) Explain why P(B or E) P(B) + P(E). Then use the general addition rule to compute P(B or E).

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Statistics: Chapter 3.1 1. Mean: average of a set of numbers a. (sum of all data values) / (number of values) b. Mean = (Σx) / (n) i. Let x be a quantitative variable with n measured data value from a population of n. c. Example: i. 10, 15, 20, 25….625 ii. (n+1) / 2 iii. “n”...

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