Question

A wheel has 10 equally sized slices numbered from 1 to 10.

Answer 1

The random probability of event X, wheel stopping on a white slice is 0.9 while the probability of not X, wheel stopping on Grey slice is 0.1

• Total numbers on wheel = total possible outcomes = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

• Grey colored portion = {3}

• White colored portion = {1, 2, 4, 5, 6, 7, 8, 9, 10}

• X = Event that wheel stops on a white slice

• P(X) = number of white slices ÷ total number of slices

• P(X) = 9 / 10 = 0.9

• P(not X) = 1 - P(X)

• P(not X) = 1 - 0.9 = 0.1

Therefore, the probability that wheel stops on a white slice is 0.9 while, the probability that wheel does not stop on a white slice is 0.1

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