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JvGaming2001
JvGaming2001
08.04.2020 • 
Mathematics

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 20 years of service?

%

(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 representative will have between 30 and 35 years of service?

(c) What is the probability the representative above will have less than 25 years of service given that the person has less than 30 years of service?

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