Calculate the probability that a repair will require more than $90$ minutes $(1\mathrm{.}5$ hours$)$ to complete.

Place your calculation in cell$$E$12.$

Use the EXPON.DIST function.

Reference lambda $($C$2)$ in your formula.

Note that the average service time is expressed in hours.

Hint: the probability of a repair taking more than $90$ minutes to complete is equal to one minus the probability of a repair taking $90$ or fewer minutes to complete.

Use the EXPON.DIST function.

Reference lambda $($C$2)$ in your formula.$$

Note that the service time is expressed in hours.

Use the EXPON.DIST function.

Reference lambda $($C$2)$ in your formula.$$

Note that the service time is expressed in hours.

Reference the lambda $($C$2)$ in your formula.

Note that the service time is expressed in hours.

Place your calculation in cell$$C$5.$

Use the EXPON.DIST function.$$

Reference the required service time $($B$5)$ and lambda of $0\mathrm{.}75($C$2)$ in your formula.$$

Reuse your formula to calculate the individual probabilities of the other required service times in

Use the POISSON.DIST function.

Reference the average number of customers needing service per day $($C$2)$ in your formula.

Use the POISSON.DIST function.

Reference the number of customers in cell$$B$5$and the average number of customers needing service per day $($C$2)$ in your formula.

Reuse your formula to calculate the individual probabilities of the numbers of customers needing service in range$$B$5$:B$34$on a given day.