The Next Questions Are Based on the Following Information

Multiple Choice

The Next Questions Are Based On The Following Information:
The dean of a business college in the Midwest claims that he can correctly identify whether a student is a finance major or a music industry management major by the way the student dresses.Suppose in actuality that he can correctly identify finance majors 84% of the time,while 16% of the time he mistakenly identifies a music industry management major as a finance major.Presented with one student and asked to identify the major of this student (who is either a finance or music industry management major) ,the dean considers this to be a hypothesis test with the null hypothesis being that the student is a finance major and the alternative that the student is a music industry management major.
-Thomas is a shift manager at a local fast food place,and is responsible for quality management.Thomas wants to ensure that each of the frozen hamburger patties that get delivered by the supplier weighs four ounces on average.Assume that the standard deviation of the weight of hamburger patties is known to be 0.1 ounces.Thomas tells one of his employees that as a shipment comes in,select 20 patties at random and find the average weight for the 20 patties.If the average weight is less than 3.95 ounces,reject the shipment.What is the smallest significance level associated with this decision rule?

A) 0.015
B) 0.008
C) 0.023
D) 0.013