Question

A statistics professor receives an average of five e-mail messages per day from students.  Assume the number of messages approximates a Poisson distribution. What is the probability that on a randomly selected day she will have five messages?

a.

 0.0067

b.

0.175

c.

0.875

d.

1.0​

Answer 1

Answer:

Multiple Choice

A statistics professor receives an average of five e-mail messages per day from students. Assume the number of messages approximates a Poisson distribution. What is the probability that on a randomly selected day she will have no messages?

A) 0.0067

B) Zero

C) 0.0335

D) Impossible to have no message