In the game of roulette, a metal ball is spun around a rotating wheel containing

Question

In the game of roulette, a metal ball is spun around a rotating wheel containing 18 red-numbered slots, 18 black-numbered slots, and 2 green slots numbered 0 and 00, respectively.
Find the probability that the ball does not fall into a red slot on the next seven spins. A) 0.0112. B) 0.0054. C) 0.0078. D) 0.5263. In the game of roulette, a metal ball is spun around a rotating wheel containing 18 red-numbered slots, 18 black-numbered slots, and 2 green slots numbered 0 and 00, respectively.
Find the probability that the ball does not fall into a red slot on the next seven spins. A) 0.0112. B) 0.0054. C) 0.0078. D) 0.5263.

Explanation / Answer

total number of balls=18+18+2=38
Number of Red ball=18
Number of non-red ball=20

P(non-red ball)=20/38

P(non-red ball for 7 times)=(20/38)7 =0.011187

Hence 1st Option is correct.

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