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Probability Unit Review Flashcards | StudBud
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Probability Unit Review
Probability Unit Review
25 terms
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StudBud Administration
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34 plays
simple probability, compound: addition rules, multiplication rules, conditional, counting rules
Flashcards
25 cards
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Questions
25
Answers
1
To find the probability of rolling a 4 at least 1 time, you would...
1/6
find P(no 4's)
find 1 - P(no 4's)
find P(all 4's)
2
What happens in the 1st event does not affect what happens in the 2nd event.
Mutually exclusive events
Independent event
Dependent events
non-mutually exclusive events
3
What is the probability that a student likes to watch football given they are male?
10/13
4/15
40/52
40/77
4
What is probability rule #1?
The range of all probabilities is from 0 to 1.
If an event is certain, the probability is 1.
The range of all probabilities is from 0 to 100.
If an event is impossible, the probability is 1.
5
40% play sing, 25% dance, 15% sing and dance. What is the P(sings given dances)
40%
60%
63%
38%
6
Two events can occur simultaneously (overlapping events)
Dependent events
Mutually exclusive events
Independent event
non-mutually exclusive events
7
If the probability that a student has a A is 25%, what is P(at least 1 in 4 students have a A)?
68%
75%
99.6%
32%
8
What is probability rule 4?
If an event is impossible, then the probability is 0.
The sum of the sample space is 1.
The sum of all possible outcomes in a sample space is 1.
The range of all probabilities is from 0 to 1.
9
There are 2 stats teachers and 5 biology teachers, If 2 are chosen at random,find P(both stats)
2/7
1/21
2/21
1/11
10
The probability that a bill passes is 37%. There are 5 bills waiting to pass,find P(none pass).
63%
99.3%
10%
90%
11
What is the probability that a student is female given that they like to watch basketball?
8/75
16/38
16/73
8/19
12
40% play sing, 25% dance, 15% sing and dance. What is the probability a student sings or dances
35%
65%
80%
50%
13
The fraction pictured represents...
52C5
The total # of 5 card hands dealt from a standard deck.
52P5
52C47
14
What is the probability that a student selected at random prefers basketball or baseball?
49/50
98/150
37/98
49/75
15
If an even is certain to occur, ...
the probability is 100.
the probability is 0.
the probability is 1.
the probability is 50%
16
When rolling 2 dice, what is the probability of getting a sum of 9?
1/9
1/12
1/18
0
17
Tammy has 6 books to read. How many different ways can she read them?
720
1
36
6
18
The probability that a bill passes is 37%. There are 5 bills waiting to pass, find P(all pass).
37%
0.7%
10%
7%
19
What is the probability that a student selected at random likes to watch football?
26/50
26/75
52/150
13/15
20
Which of the following is NOT a possible outcome when rolling 2 dice and finding the sum?
1
12
11
2
21
You have 3 cats, 4 dogs, and 2 birds to choose from. How many ways can you pick 1 of each?
288
3
9
24
22
In three rolls, what is probability of getting at least one 4?
1/6
215/216
5/6
91/216
23
Probability is ...
hard.
the chance that it will happen
the likelihood that an event will occur
the possibility of something happening
24
A complement of an event is ...
not possible
the event NOT happening
all the other events in the sample space
telling the event it looks nice today.
25
How many ways can 5 letters be used to make a passcode (can't use same letter twice)?
120
7893600
65780
130
