2.2 Roulette wheel: 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 9 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? (please round to four decimal places) b) You watch a roulette wheel spin 240 consecutive times and the ball lands on a red slot each time. What is |(please round to the probability that the ball will land on a red slot on the next spin? four decimal places)

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.