Last year a man wrote 142 checks. Let random variable #x# represent the number of checks he wrote in a day, and assume it has a Poisson distribution. What is the mean number of checks written per day?

Related questions

• What is the difference between a discrete random variable and a continuous random variable?
• What is the sum of the probabilities in a probability distribution?
• What is an example of a continuous random variable?
• How are random variables generally identified (i.e., what notation is used to identify a random...
• What does the term "expected value" mean?
• What notation is used to designate the expected value of a random variable?
• You roll three dice, and you define the random variable #X# as the number of heads obtained. ...
• You have studied the number of people waiting in line at your bank on Friday afternoon at 3 pm...
• You have studied the number of people waiting in line at your bank on Friday afternoon at 3 pm...
• You have studied the number of people waiting in line at your bank on Friday afternoon at 3 pm...