A roulette wheel has alternating red and black, numbered slots into which the ba

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A roulette wheel has alternating red and black, numbered slots into which the ball finally stops to determine the winner. If a gambler always bets on black to win, then

23. A roulette wheel has alternating red and black, numbered slots into which the ball finally stops to determine the winner. If a gambler always bets on black to win, then a. What is the probability of winning at least 40 times in a series of 64 spins? (Note that at least 40 wins means 40 or more.) Answer p q T, and with n 64 the normal approximation has H 32 and o 4. p(X 39.5) p( 1.88) 0.0301. b. What is the probability of winning more than 40 times in a series of 64 spins? Answer p(X 40.5) p(z 2.13) 0.0166 c. Based on your answers to a and b, what is the probability of winning exactly 40 times? Answer p(X 40) is equal to the difference between the probabilities in parts a and b. p(X 40) 0.0135

Explanation / Answer

for (!)from normal approximation 0.0304

from binomial 0.02997

(ii)from normal approximation 0.0168

from binomial 0.0164

|(iii)from normal approximation 0.0136

from binomial 0.0136

pls revert for explanation if answers are right

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