The quality control manager ofMarilyn's Cookies is inspecting a batch ofchocolate-chip cookies that has just been baked. If the production process is incontrol, the mean number of chip parts per cookie is 6.1. Complete parts(a) through(d).

a. What is the probability that in any particular cookie being inspected fewer than five chip parts will befound?

The probability that any particular cookie has fewer than five chip parts is

.

(Round to four decimal places asneeded.)

b. What is the probability that in any particular cookie being inspected exactly five chip parts will befound?

The probability that any particular cookie has exactly five chip parts is

.

(Round to four decimal places asneeded.)

c. What is the probability that in any particular cookie being inspected five or more chip parts will befound?

The probability that any particular cookie has five or more chip parts is

.

(Round to four decimal places asneeded.)

d. What is the probability that in any particular cookie being inspected either four or five chip parts will befound?

The probability that any particular cookie has four or five chip parts is

.

(Round to four decimal places asneeded.)