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Statistics & Probability Flashcards | StudBud
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Statistics & Probability
Statistics & Probability
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Flashcards
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Questions
10
Answers
1
What is the probability of drawing out a RED marble from the jar?
Pr (red) = 1∕2 = 50% = 0.5
Pr (red) = 1∕4 = 25% = 0.25
Pr (red) = 1∕3 = 33.3% = 0.33
Pr (red) = 3∕4 = 75% = 0.75
2
What is the probability of rolling an EVEN number on a fair 6 sided die? (percentage)
Pr (even) = 10%
Pr (even) = 25%
Pr (even) = 100%
Pr (even) = 50%
3
What is the probability of rolling an EVEN number on a fair 6 sided die? (decimal)
0.1
0.5
0.3
0.25
4
In the Stem and Leaf Plot of test scores, how many students took the test?
15
17
4
19
5
Ages of the people pictured are: 20, 24, 26, 17, 26, 38, 30. What is the range?
24
17
20
21
6
In the Stem and Leaf Plot of test scores, what is the median score?
21
24
42
26
7
Find the mode of the following data set of children's ages: 6, 12, 6, 2, 10, 11, 4
6
8
12
2
8
Which of the following data sets has a mean of 10 and a range of 2?
9, 11
8, 11
10, 20
10, 15
9
A coin is tossed 100 times, with 53 heads and 47 tails. What is the theoretical probability of getting a TAIL?
53∕100
1∕2
47∕53
47∕100
10
A coin is tossed 100 times, with 53 heads and 47 tails. What is the experimental probability of getting a TAIL?
1∕2
2∕1
53∕100
47∕100
