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Probability and Statistics Review 2022 Flashcards | StudBud
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Probability and Statistics Review 2022
Probability and Statistics Review 2022
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Probability and Statistics for second year Algebra
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
Based on the tree diagram, what is the probability of selecting two greens?
4/15
8/15
15/29
7/14
2
Which of the following intervals contains 50% of our data in the given boxplot?
78 to 90
66 to 98
53 to 66
53 to 78
3
Which measure of center and spread would you use to describe the data in the histogram
Mean and Standard Deviation
Median and Standard Deviation
Median and IQR
Mean and IQR
4
Based on the following boxplot, what is the IQR?
90
24
44
66
5
The events A and B are independent but not mutually exclusive andP\left(A\right)=.2andP\left(B\right)=.55.Find P(A or B)
0.46
.75
0.64
0.57
6
Which of the following graphs has the largest standard deviation?
C
A
D
B
7
Based on the data, how can you determine the relationship between the mean and the median?
Mean will be less than the median because of the low outlier
Mean will be greater than median because of the low outlier
Mean and median will be the same since there aren't outliers
Mean will be greater than median because of the high outlier
8
Find the probability of your cold lasting 1-3 days given that you
have
taken medicine
.819
.843
.43
.194
9
What is the probability of picking two green marbles in a row
without
replacement?
1/45
1/25
1/50
1/5
10
Based on the histogram, which measure of center and spread should you use to describe the data?
Mean and IQR
Median and standard deviation
Mean and Standard Deviation
Median and IQR
11
What is the probability of picking one marble either blue or green?
.6
.8
.5
.06
12
Find P(Green | Blue)
8/14
7/15
8/15
7/14
13
Find P(Full time | Two to three times visiting tutor)
.138
.56
.83
.431
14
What is the median of this data set
without the outlier
14
12.5
13.5
15.23
