SOLUTION: The mathematics faculty at a college consists of 4 professors, 7 associate professors, 6 assistant professors,and 9 instructors. If one faculty member is randomly selected, find th

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Question 321004: The mathematics faculty at a college consists of 4 professors, 7 associate professors, 6 assistant professors,and 9 instructors. If one faculty member is randomly selected, find the probability of choosing a professor or an instructor.
The probability is:
(fraction/simplified answer)
Thank you!
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
4 P-professors,
7 A-associate professors
6 S-assistant professors
9 I-instructors
26 total
P(P)=4%2F26
P(I)=9%2F26
P(P or I)=P(P)+P(I)
P(P or I)=%284%2B9%29%2F26=13%2F26=1%2F2