Calculate the probability that exactly one customer will require service on a given day.

Place your calculation in cell C$5.$

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.