During the Computer Daze special promotion, a customer purchasing a computer and

Question

During the Computer Daze special promotion, a customer purchasing a computer and printer is given a choice of three free software packages. There are 7 different software packages from which to select. How many different groups of software packages can be selected? There are 12 qualified applicants for 4 trainee positions in a fast-food management program. How many different groups of trainees can be selected? The qualified applicant pool for three management trainee positions consists of six women and four men. How many different groups of applicants can be selected for the positions? How many different groups of trainees would consist entirely of women? Probability extension; If the applicants are equally qualified and the trainee positions are selected by drawing the names at random so that all groups of three are equally likely, what is the probability that the trainee class will consist entirely of women? (Round your answer to four decimal places.)

Explanation / Answer

Q22.
the number of groups can be formed in 7 C 3 ways = nCr(7,3) = 35

Q23.
the number of fast food management program can be formed in 12 C 4 ways = nCr(12,4)= 495

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