A business with 5 copy machines keeps track of how many copy machines need service on a given day. It believes this is binomially distributed with a probability of p = 0.2 of each machine needing service on any given day. It has collected the following based on a random sample of 100 days. Given this information the expected number of days on which exactly 1 machine breaks down is 40.96.

Question

A business with 5 copy machines keeps track of how many copy machines need service on a given day. It believes this is binomially distributed with a probability of p = 0.2 of each machine needing service on any given day. It has collected the following based on a random sample of 100 days.  Given this information the expected number of days on which exactly 1 machine breaks down is 40.96.

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The Answer of A business with 5 copy machines keeps track of how many copy machines need service on a given day. It believes this is binomially distributed with a probability of p = 0.2 of each machine needing service on any given day. It has collected the following based on a random sample of 100 days.  Given this information the expected number of days on which exactly 1 machine breaks down is 40.96.

A Business with 5 Copy Machines Keeps Track of How