Probability with webwork

Oct 14th, 2015
DotaCN
Category:
Engineering
Price: $5 USD

Question description

https://webwork.math.nau.edu/webwork2_files/tmp/EAmamoo_114_B//gif/mlg375-3546-setF15_Due_Tuesday_06prob1image1.png


(1 pt) The histogram below gives the length of service of members of the Department of English 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 15 years of service?
Answer: 44%

(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 10 and 25 years of service?

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