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2 October, 02:36

You will note the wheel has 38 slots. There are two green slots (labeled 0, 00) and 36 slots which alternate red/black and are numbered 01-36. A player participates by tossing a small ball around the wheel as the wheel spins, and the ball lands in one of the 38 slots. The goal is for the ball to land in a slot that the player predicted it would, and bet money on happening. Define the following events: E = The ball lands in an even numbered slot M = The ball lands in a slot that is numbered a multiple of three (3, 6, 9, 12, etc ...) Use the given information to calculate the probability of event M. Round your answer to four decimal places.

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  1. 2 October, 03:57
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    P (M) = 0.3158

    Step-by-step explanation:

    Data given in the question:

    Total Slots = 38

    Green Slots = 2 labelled (0, 00)

    Red Slots = 18

    Black Slots = 18

    E = Ball lands on an even numbered slot

    M = Ball lands in a slot that is numbered a multiple of 3

    We are required to find the probability of event M. For that, we need to identify how many multiples of 3 are present on the wheel.

    Multiples of 3 between 1-36 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36

    There are a total of 12 slots numbered with multiples of 3.

    P (M) = No. of slots numbered a multiple of 3 / Total no. of slots

    = 12/38

    P (M) = 0.3158 (rounded to four decimal places).
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