There are 400 students in the first year class of an engineering college. The prob- ability that any student requires a copy of a particular Mathematics book from the college library on any day is 0.1. How many copies of the book should be kept in the library so that the probability may be greater than 0.95 that none of the students requiring a copy from the library has to come back disappointed?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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There are 400 students in the first year class of an engineering college. The prob-
ability that any student requires a copy of a particular Mathematics book from
the college library on any day is 0.1. How many copies of the book should be
kept in the library so that the probability may be greater than 0.95 that none of
the students requiring a copy from the library has to come back disappointed?
Transcribed Image Text:There are 400 students in the first year class of an engineering college. The prob- ability that any student requires a copy of a particular Mathematics book from the college library on any day is 0.1. How many copies of the book should be kept in the library so that the probability may be greater than 0.95 that none of the students requiring a copy from the library has to come back disappointed?
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