Question

The table below gives the educational level and college major of all the applicants for a supervisory position at the Petrospuds food distribution center.

College Major

	Geology	Agriculture	Psychology
Bachelor Degree	10	7	24
Master Degree	12	4	30

1- Find the probability, if we select someone at random from this group of applicants, that we get someone who has either a master's degree or a major in Agriculture.

A. 0.655, B. 0.669, C. 0.609,   D. 0.701, E. None of the above.

2. The Petrospuds management team plans to select three people from this applicant pool, at random, for interviews. Find the probability that the team will select three people with master's degrees.

A. 0.272 B. 0.517 C. 0.143 D. 0.727 E. None of the above

Answer 1

Define the events

The total number of applicants is .

1) The required probability is (union of events ),

Correct choice is (C).

2) We see 46 has Master degrees and 41 has Bachelor degrees.

The number of ways of selecting 3 from 87 is .

The required probability is

Correct choice is (C).