The histogram below gives the length of service of members of the Department of Biology at a particular university. The classes, in years of service, are 0-4.9, 5-9.9, etc., and the vertical axis represents the number of faculty. (a) What percent of the department faculty have less than 10 years of service? Answer: % (b) If a member of the department is chosen at random to serve on a university committee, what is the probability (in decimal form) that the chosen representitive will have between 25 and 30 years of service? Answer: (c) What is the probability the representative above will have less than 5 years of service given that the person has less than 15 years of service? Answer: Biology Faculty
The histogram below gives the length of service of members of the Department of Biology at a particular university. The classes, in years of service, are 0-4.9, 5-9.9, etc., and the vertical axis represents the number of faculty. (a) What percent of the department faculty have less than 10 years of service? Answer: % (b) If a member of the department is chosen at random to serve on a university committee, what is the probability (in decimal form) that the chosen representitive will have between 25 and 30 years of service? Answer: (c) What is the probability the representative above will have less than 5 years of service given that the person has less than 15 years of service? Answer: Biology Faculty
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Transcribed Image Text:The histogram below gives the length of
service of members of the Department of Biology at a
particular university. The classes, in years of service, are
0-4.9, 5-9.9, etc., and the vertical axis represents the
number of faculty.
(a) What percent of the department faculty have less than
10 years of service?
Answer:
(b) If a member of the department is chosen at random
to serve on a university committee, what is the
probability (in decimal form) that the chosen
representitive will have between 25 and 30 years of
service?
Answer:
(c) What is the probability the representative above will
have less than 5 years of service given that the person
has less than 15 years of service?
Answer:
12
11.
10
9
8
7
%
6
5
4
18
Biology Faculty
15
20
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