Probability Basics
What is it useful to use an exhaustive list to determine the total number of outcomes?
It is useful to use an exhaustive list when every outcome is important.
What symbol is used to denote a factorial?
!
What type of compound event is denoted when action #1 occurs and that action is not replaced before action #2 occurs?
(a) Mutually Exclusive
(b) Independent
(c) Dependent
(c) Dependent
Which measure of center describes the middle value in a list of data?
(a) Mean
(b) Median
(c) Mode
(b) Median
A relative frequency table lists the rates/probabilities of events in the form of _________.
(a) Decimals
(b) Fractions
(c) Percentages
(a) Decimals
Which principle is used to determine the total number of outcomes when only the final total is needed?
Fundamental Counting Principle
Write the value of 7!
5,040
Two bags hold 12 marbles each. Bag A has 4 red, 5 blue, and 3 green marbles. Bag B has 1 red, 3 blue, and 8 green marbles. What is the probability of drawing a blue marble from bag B? Write your answer as a reduced fraction.
1/4
What is the term for a number that is significantly higher or lower than the other numbers in a list of data?
Outlier
Find the missing value in the following frequency table.
https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1552309/original_tab1.PNG
7
Which of the following is a valid list of probabilities?
(a) 0.4, 1.2, 0.17
(b) 0.23, 0.64, 0.06, 0.07
(c) 0.19, -0.03, 0.55, 0.29
(b) 0.23, 0.64, 0.06, 0.07
Write the value of 13!
6,227,020,800
Two bags hold 12 marbles each. Bag A has 4 red, 5 blue, and 3 green marbles. Bag B has 1 red, 3 blue, and 8 green marbles. What is the probability of drawing a red or blue marble from bag A? Write your answer as a reduced fraction.
3/4
Which measure of center is most susceptible to the influence of outliers?
Mean
Find the missing value in the following frequency table if the total number of values is 33.
https://media.cheggcdn.com/study/73e/73e83e4b-f53b-4be2-984c-d878697c360b/image
6
Which of the following is a valid list of probabilities?
(a) 12%, 43%, 27%, 21%
(b) 2%, 62%, 6%, 31%
(c) 37%, 9%, 28%, 26%
(c) 37%, 9%, 28%, 26%
There are 3 stacks of paper and 8 colors of paper clips. How many possibilities are there if each stack gets a different color paper clip? Write the proper permutation notation and solve.
8 P 3
(8)(7)(6) = 336Two bags hold 12 marbles each. Bag A has 4 red, 5 blue, and 3 green marbles. Bag B has 1 red, 3 blue, and 8 green marbles. What is the probability of drawing a green marble from bag B, replacing it, and drawing a blue marble from bag B? Write your answer as a reduced fraction.
1/6
Find the mean, median, and mode of the following list of numbers: 5, 23, 13, 11, 1, 28, 11, 16. Round to the nearest tenth if needed.
Mean = 13.5
Median = 12
Mode = 11
Find the relative frequency values in the following table. Round to the nearest tenth if necessary.
https://media.cheggcdn.com/media%2F3e0%2F3e0a0275-deb2-4cf0-a4fe-d62a4aeec680%2FphpEWR3gd.png
0-9 = 0.28
10-19 = 0.20
20-29 = 0.16
30-39 = 0.24
40-49 = 0.04
50-59 = 0.08
Two bags hold 12 marbles each. Bag A has 4 red, 5 blue, and 3 green marbles. Bag B has 1 red, 3 blue, and 8 green marbles. What is the probability of drawing a marble that is not red from bag A? Write your answer as a reduced fraction.
2/3
The director of a play has to choose 2 people to be the lead role and the understudy. If 32 people tried out, how many different possibilities are there? Write the proper permutation notation and solve.
32 P 2
(32)(31) = 992
Two bags hold 12 marbles each. Bag A has 4 red, 5 blue, and 3 green marbles. Bag B has 1 red, 3 blue, and 8 green marbles. What is the probability of drawing a blue marble from bag A, not replacing it, and drawing another blue marble from bag A? Write your answer as a reduced fraction.
5/33
Find the mean, median, and mode of the following list of numbers: 52, 14, 56, 61, 56, 63, 61. Round to the nearest tenth if needed.
Mean = 51.9
Median = 56
Mode = None
Find the relative frequency values in the following table. Round to the nearest hundredths place if necessary.
10-19 = 0
20-29 = 0.02
30-39 = 0.07
40-49 = 0.16
50-59 = 0.21
60-69 = 0.28
70-79 = 0.16
80-89 = 0.07
90-99 = 0.02