Instruction 10-10 The Dean of a College Is Interested in the Proportion

question 171

True/False

Instruction 10-10
The dean of a college is interested in the proportion of graduates from his college who have a job offer on graduation day. He is particularly interested in seeing if there is a difference in this proportion for accounting and economics majors. In a random sample of 100 of each type of major at graduation, he found that 65 accounting students and 52 economics students had job offers. If the accounting students are designated as "Group 1" and the economics students are designated as "Group 2", perform the appropriate hypothesis test using a level of significance of 0.05.
-Referring to Instruction 10-13,the same decision would be made with this test if the level of significance had been 0.10 rather than 0.05.

Understand the concept of percentile in a normal distribution.

Calculate the mean of a normal distribution given the standard deviation and percentile.

Calculate the standard deviation of a normal distribution given the mean and percentile.

Interpret the mean and standard deviation in the context of real-world normal distributions.

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