A Statistics Professor Receives an Average of Five E-Mail Messages

question 52

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 five messages?

• A)0.0067
• B)0.8750
• C)0.1755
• D)1.0000