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Probability and Statistics review Flashcards | StudBud
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Probability and Statistics review
Probability and Statistics review
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Probability and Statistics review
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
You roll a 6-sided die once. What are the chances of getting a result higher than 3?
0.16667
0.3333
0.5
0.66667
2
A jar contains 16 red, 28 blue, 17 black, and one yellow marble. What's the probability of red?
14/31
17/62
1/62
8/31
3
You use the shown spinner; what are the chances of getting a 1?
0.125
1
0
0.875
4
You use the shown spinner; what are the chances of getting a number higher than 1?
0.125
1
0
0.875
5
How many defective donuts will be produced during the bakers shift?
10
40
20
0.1
6
What is the median, Q1, and interquartile range?
median: 7, Q1: 2, IQ range: 5
median: 2, Q1: 5, IQ range: 3
median: 5, Q1: 2, IQ range: 5
median: 5, Q1: 1, IQ range: 5
7
What is the theoretical probability for rolling a number less than 3 on a die
4/6
1/6
3/6
2/6
8
You made 4 out of 20 hits at bat. Predict how many hits you will make if you bat 120 times.
600
20
24
4
9
What's the probability of picking a female?
0.75
0.35
0.1875
45
10
What's the probability of picking a female who drives a sports car?
0.75
45
0.1875
0.35
11
What is the theoretical probability for rolling a 2 on a die
3/6
1/6
2/6
1/2
12
What is the experimental probability for rolling a number greater than 3?
4/5
2/5
1/10
3/10
13
Use experimental probability to predict how many fish in the pond are striped.
200
80
50
100
14
What's the mean?
18.83
17.3
19.1
18.5
15
There are 1200 students in the school. About how many votes can candidate B expect to receive?
64
612
384
204
16
What is the probability of rolling an odd number or a number greater than 2 on a die?
1/3
5/6
2/3
5/12
17
Estimate the number of dolphins in the area.
30
45
75
188
18
You use the shown spinner; what are the chances of getting a number divisible by 3?
0.875
0.75
0.25
0.125
19
There are 1200 students in the school. About how many votes can candidate C expect to receive?
612
204
34
384
20
What is the experimental probability for rolling a 2?
2/5
4/5
2/10
1/10
