The Next Questions Are Based on the Following Information

question 28

Essay

The Next Questions Are Based On The Following Information:
A beer producer claims that the proportion of its customers who cannot distinguish regular from light beer is at most 12 percent.The producer decides to test this null hypothesis against the alternative that the true proportion is more than 12 percent.The decision rule adopted is to reject the null hypothesis if the sample proportion of who cannot distinguish between the two beers exceeds 15 percent.
-If a random sample of 100 customers is chosen,what is the probability of a Type I error,using this decision rule?

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