Statistic Quiz

Question 1
If P(x) = 0.64, find the complement.
0.64
0.54
0.36

Question 2
There is a 30% chance of rain today. Express this as a probability value between 0 and 1.
0.70
0.30
0.20

Question 3
If P(x) = .55, find the complement.
0.45
0.55
0.05

Question 4
There is a 10% chance of rain today. Express this as a probability value between 0 and 1.
1
0.10
0.90

Question 5
There is a 20% chance of rain today. Express this as a probability value between 0 and 1.
0.20
0.80
0.40

Question 6
If P(x) = 0.25, find the complement.
0.25
0.50
0.75

Question 7
If P(x) = 0.42, find the complement.
0.21
0.42
0.58
0.84

Question 8
There is a 55% chance of rain today. Express this as a probability value between 0 and 1.
0.45
5.5
0.55

Question 9
1! equals what?
0
1
undefined

Question 10
7! equals what?
14
28
5,040
10,080

Question 11
4! equals what?
4
7
12
24

Question 12
Find the y-intercept of the following:
• x: 2, 3, 4, 7, 7
• y: 9, 2, 5, 1, 1
-1.17
8.98
-0.78

Question 13
Find the slope of the following:
• x: 2, 3, 4, 7, 7
• y: 9, 2, 5, 1, 1
-0.78
8.98
-1.17

Question 14
Find the linear correlation coefficient r for the following:
• x: 2, 3, 4, 7, 7
• y: 9, 2, 5, 1, 1
-0.22
-0.34
-0.78
0.82

Question 15
Find the y-intercept of the following:
• x: 1, 3, 5, 8, 9
• y: 4, 2, 6, 6, 7
0.47
2.56
0.78.