A Computer Store Offers Used Computers Free to Local Middle

question 42

Multiple Choice

A computer store offers used computers free to local middle schools. Of the 55 machines available, 15 have defective memories, 12 have defective keys, and the remainder have no defects. If a teacher picks one at random, what is the probability that she will select a defective computer? ​

• A)Pr(Defective) =
• B)Pr(Defective) =
• C)Pr(Defective) =
• D)Pr(Defective) =
• E)Pr(Defective) =

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Definitions:

Experience

The knowledge or skill that one gains over time through involvement in or exposure to activities.

Application Letter

A formal letter submitted to apply for a particular job or position, outlining the applicant's qualifications and interest in the opportunity.

Professional

Pertaining to or connected with a profession, exhibiting a courteous, conscientious, and generally businesslike manner in the workplace.

Applicants

Individuals who apply for a position, program, or opportunity.