Question 1
4 out of 4 points
A cereal company claims that the average amount of cereal in a large box is 12 ounces.
To test that claim, a researcher randomly selects 100 boxes of cereal and measures the
amounts in each. The average of the sample is 11.9 o
Question 1
9 out of 9 points
A single die is rolled once. What is the sample space?
Selected
Answer:
cfw_1, 2, 3, 4, 5,
6
Correct
Answer:
cfw_1, 2, 3, 4, 5,
6
Question 2
7 out of 7 points
Events A and B of a sample space S are such that P(A) = 0.32, P(B)
Question 1
6 out of 6 points
True or False: When the calculated value of the linear correlation
coefficient r is close to 0, we conclude that there is little or no linear
correlation.
Selected
Answer:
e
Correct
Answer:
e
Tru
Tru
Question 2
0 out of 6 poin
Question 1
4 out of 4 points
True or False:
There are several kinds of measures ordinarily known as averages and each gives a
different picture of the figures it is called on to represent.
Selected
Answer:
e
Correct
Answer:
e
Tru
Tru
Question 2
4 out of 4
Question 1
5 out of 5 points
As part of the graduation paperwork, seniors at a
particular college were asked to indicate
their post-graduation plans. Results showed that
15% planned to start graduate school right
after college graduation.
True or False: T
Question 1
12 out of 12 points
x
P(x)
1
0.3
2
0.2
3
0.25
4
0.15
5
0.1
Consider the following discrete probability distribution where the random variable X can
take on any one of the possible outcome values of 1, 2, 3, 4 or 5.
The probabilities for each o