Sami Schmitt Believes That Number of Cars Arriving at His $\alpha$

question 74

Multiple Choice

Sami Schmitt believes that number of cars arriving at his Scrub and Shine Car Wash follow a Poisson distribution.He collected a random sample and constructed the following frequency distribution to test his hypothesis:
Using $\alpha$ = 0.05,the critical value of chi-square for this goodness-of-fit test is ___.

• A)9.49
• B)7.81
• C)7.78
• D)11.07
• E)12.77

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