Answer to Question #34413 in Statistics and Probability for sheril

Question #34413
Suppose a baker claims that the mean time to prepare a cake is at most 360 minutes. A sample of 25 bakers in randomly selected and it is found that the mean time taken by them to prepare a cake was 270 minutes. Assume also that standard deviation is known to be 120 minutes. Assuming the time to prepare a cake is normally distributed and using a 0.05 level of significance, would you conclude the baker’s claim is true?
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Expert's answer
2013-10-11T09:20:51-0400
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-34413.pdf

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