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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
22 cards
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Practice quiz
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Questions
22
Answers
1
What is the mode score for Lindsey’s class?
50
62
80
99
2
What is the upper quartile?
7
4
6
3
3
A jar contains 16 red, 28 blue, 17 black, and one yellow marble. What's the probability of red?
1/62
14/31
17/62
8/31
4
What's the mean absolute deviation?
0.8
0.67
0.72
0.58
5
What's the probability that the first 2 cards drawn from a deck will be red? (with replacement)
1/3
1/4
1/2
2/52
6
There are 1200 students in the school. About how many votes can candidate C expect to receive?
34
204
612
384
7
What is the mean score for Lindsey’s class?
78
75
79.1
80.2
8
What's the mean?
19.1
18.83
17.3
18.5
9
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
10
What is the median, lower quartile, and interquartile range?
median: 5, lower quartile: 2, IQ range: 5
median: 5, lower quartile: 1, IQ range: 5
median: 2, lower quartile: 5, IQ range: 3
median: 7, lower quartile: 2, IQ range: 5
11
What is the theoretical probability for rolling a 2 on a die
3/6
2/6
1/6
1/2
12
What is the lower quartile?
3
7
6
4
13
How many defective donuts will be produced during the bakers shift?
20
10
0.1
40
14
There are 1200 students in the school. About how many votes can candidate B expect to receive?
612
204
384
64
15
What is the interquartile range?
3
6
4
7
16
What is the median score for Lindsey’s class?
85
80
79
75
17
What is the experimental probability for rolling a number greater than 3?
3/10
2/5
1/10
4/5
18
You made 4 out of 20 hits at bat. Predict how many hits you will make if you bat 120 times.
20
4
24
600
19
Estimate the number of dolphins in the area.
188
45
75
30
20
What is the theoretical probability for rolling a number less than 3 on a die
2/6
3/6
1/6
4/6
21
Use experimental probability to predict how many fish in the pond are striped.
80
50
100
200
22
What is the experimental probability for rolling a 2?
4/5
2/5
2/10
1/10
