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10 December, 07:25

The game of roulette involves spinning a wheel with 38 slots: 18 red, 18 black, and 2 green. A ball is spun onto the wheel and will eventually land in a slot, where each slot has an equal chance of capturing the ball.

The game of roulette involves spinning a wheel with 38 slots: 18 red, 18 black, and 2 green. A ball is spun onto the wheel and will eventually land in a slot, where each slot has an equal chance of capturing the ball.

a. You watch a roulette wheel spin 3 consecutive times and the ball lands on a red slot each time. What is the probability that the ball will land on a red slot on the next spin?

b. You watch a roulette wheel spin 300 consecutive times and the ball lands on a red slot each time. What is the probability that the ball will land on a red slot on the next spin?

c. Are you equally confident of your answers to the parts (a) and (b) ? Why or why not?

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  1. 10 December, 07:51
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    in steps

    Step-by-step explanation:

    If it is a fair roulette, the probability to land on RED should be the same no matter what results are in the previous spin

    a) 18/38

    b) 18/38

    c) Yes, I'm confident of the answers. Because it's fair and there is no change of RED numbers.
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