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Testing of population proportion

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5. Of the 38 numbers on a roulette wheel, 18 are red, 18 are black and 2 are green. If the wheel is balanced, the probability of the wheel landing on red is 0.474. A gambler has been studying a roulette wheel. If the wheel is out of balance then he can improve his odds of winning. The gambler observed 200 spins of the wheel and finds that the ball lands on red 93 times. At the 10% significance level data provides efficient evidence to conclude that the balls not landing on red the correct percentage of the time for a balance wheel. Give the appropriate conclusion.

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The solution provides step by step method for the calculation of test statistic for population proportion. Formula for the calculation and Interpretations of the results are also included.

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5. Of the 38 number on a roulette wheel, 18 are red, 18 are black and 2 are green. If the wheel is balanced, the probability of the wheel landing on red is 0.474. A gambler has been studying a roulette wheel. If the wheel is out of balance then he can improve his odds of winning. ...

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