4.Roulette. A roulette wheel has 38 equal size slots that a small ball can settle in after rolling around the wheel. The slots are labeled 0, 00, and 1 through 36.
a.What is the probability of the ball landing on 0 or 00?
b.The 0 and 00 slots are colored green. Of the other 36 slots, 18 are colored red and 18 black. What is the probability of the ball landing on black?
probability = number of favorable cases/total number of cases
a. the probability of the ball landing on 0 or 00 = 2/38 = 0.05263157894
b. the probability of the ball landing on black = 18/38 = 0.47368421052
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