Fourteen people apply for a teaching position in mathematics at a local college. Eight have a PhD and six have a master's degree. If the department chairperson selects five applicants at random for an interview. Then, ) write the formula for p(x), the probability distribution of the variable x, which indicates the number of people having a PhD; ) find the probability that 3 out of 5 people have a master degree; ) find the probability that the number of people having a PhD is at least 2 and at most 4; d) find the mean and the standard deviation associated to x.

Fourteen people apply for a teaching position in mathematics at a local college. Eight have a PhD and six have a master's degree. If the department chairperson selects five applicants at random for an interview. Then, ) write the formula for p(x), the probability distribution of the variable x, which indicates the number of people having a PhD; ) find the probability that 3 out of 5 people have a master degree; ) find the probability that the number of people having a PhD is at least 2 and at most 4; d) find the mean and the standard deviation associated to x.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section: Chapter Questions

Problem 41CT: On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form...

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