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Probability and Statistics Review Flashcards | StudBud
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Probability and Statistics Review
Probability and Statistics Review
15 terms
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#mathinsociety #probability #statistics #countingishard
Flashcards
15 cards
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Questions
15
Answers
1
Find the median for the data in the frequency distribution
4
5
4.5
3.5
2
An 8-sided die is rolled. What is the probability of rolling a number less than 8?
certain
unlikely
impossible
3
An 8-sided die is rolled. What is the probability of rolling a number less than 4?
37.5%
-4
1/2
.3
4
City council: 6 Ds and 4 Rs. What's the prob of selecting 1 D and 2 Rs if 3 people are selected
6C1×4C2 / 10C3
6C1+4C2
6P1×4P2 ∕ 10P3
1/6 * 2/4
5
In how many different ways can 10 horses finish a race in 1st, 2nd, and 3rd place (no ties)?
10!
10P3
10x9x8
10C3
6
An 8-sided die is rolled. Find the probability of rolling a number greater than 8.
0
1/2
1%
1
7
The odds in favor of Dwayne making his next free throw are 3 to 1. What is the prob of making?
1/4
1/3
3
3/4
8
Test scores: normally distributed, mean=100, s.d.=20. Find the score 3 s.d. below the mean.
40
50
70
-3
9
Test scores: normally distributed, mean=100, s.d.=20. Find the score 1.5 s.d. above the mean.
70
125
30
130
10
The odds in favor of Dwayne making his next free throw are 3 to 1. What are the odds against?
1/4
3 to 1
3/4
1/3
11
An 8-sided die is rolled. Find the probability of rolling an odd number.
1/6
1/2
3/8
5/8
12
Find the mean for the data in the frequency distribution
4
4.21
4.5
4.13
13
How many ways can you answer a quiz? 5 T/F and 6 multiple choice with 4 possible answers.
5*2+6*4
52*64
25*46
14
Find the mode for the data in the frequency distribution
3
5
4
15
Determine if the following reasoning is inductive or deductive and why.
Deductive: making a general conclusion via a few examples
Deductive: proving the conclusion via general statements
Inductive: proving the conclusion via general statements
Inductive: making a general conclusion via a few examples