A customer service representative notes that since moving most of their services online, their average front desk foot traffic (front desk visits) is currently at 1.70 persons per hour. Assuming hourly visits are independent of each other (making this a Poisson distribution), which one of the following statements is correct?

a.

The probability that no one visits the front desk in any given hour is 0.0000.

b.

The probability that at most 17 people visits the front desk in any given hour is 1.0000.

c.

The standard deviation of the front desk foot traffic is 1.70.

d.

The probability that only one person visits the front desk in any given hour is 0.3230. e.

The probability that two persons visits the front desk in any given hour is 0.2584.