Chapter 5 HW Test - Question 1 1 out of 1 points"No shows...

 Question 1
1 out of 1 points
"No shows" are the people with reservations who fail to arrive. The following table
shows the number of no shows each day at a hotel over the last 125 business days.
Number of No
Shows
Frequency
0 61
1 35
2 10
3 12
4 7
What is the mean number of no shows per day?
Selected
Answer:
0.95
2
Answers: 0.65
0
1.22
7
0.95
2
1.89
5
 Question 2
0 out of 1 points
"No shows" are the people with reservations who fail to arrive. The following table
shows the number of no shows each day at a hotel over the last 125 business days.
Number of No
Shows
Frequency
0 61
1 35
2 10
3 12
4 7
What is the standard deviation for the number of no shows per day?

 Question 3
1 out of 1 points
A ________ distribution is useful for calculating the probability that a certain number
of events will occur over a specific interval of time or space.
 Question 4
1 out of 1 points
A company that bakes chocolate chip cookies averages 5.2 chocolate chips per
cookie. Assume that the number of chocolate chips per cookie follows the Poisson
distribution. What is the probability that a randomly selected cookie will contain
exactly four chocolate chips?
 Question 5
1 out of 1 points
A company that bakes chocolate chip cookies averages 5.2 chocolate chips per
cookie. Assume that the number of chocolate chips per cookie follows the Poisson
distribution. What is the probability that a randomly selected cookie will contain
one or two chocolate chips?
Selected
Answer:
0.10

33
Answers: 0.05
96
0.16
97
0.10
33
0.20
20