43. A telephone-order sales company must determinehow many telephone operators are needed to staffthe phones during the 9-to-5 shift. It is estimated thatan average of 480 calls are received during this timeperiod and that the average call lasts for six minutes.There is no queueing. If a customer calls and alloperators are busy, this customer receives a busy signal and must hang up. If the company wants to haveat most one chance in 100 of a caller receiving abusy signal, how many operators should be hired forthe 9-to-5 shift? Base your answer on an appropriatesimulation. Does it matter whether the service timesare exponentially distributed or gamma distributed?Experiment to find out.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
43. A telephone-order sales company must determinehow many telephone operators are needed to staffthe phones during the 9-to-5 shift. It is estimated thatan average of 480 calls are received during this time
period and that the average call lasts for six minutes.There is no queueing. If a customer calls and alloperators are busy, this customer receives a busy signal and must hang up. If the company wants to haveat most one chance in 100 of a caller receiving abusy signal, how many operators should be hired forthe 9-to-5 shift? Base your answer on an appropriate
simulation. Does it matter whether the service timesare exponentially distributed or gamma distributed?
Experiment to find out.
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