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Duplicate of Probability and Statistics JBL Flashcards | StudBud
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Duplicate of Probability and Statistics JBL
Duplicate of Probability and Statistics JBL
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Georgia Milestones 7th Grade Math Practice
Flashcards
15 cards
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Practice quiz
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Host live
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Questions
15
Answers
1
Which of the following methods of sampling would provide the most reliable data to analyze?
Providing an online survey for a month.
Randomly selecting people from a census list.
Mailing a questionnaire to home owners in your town.
Asking every third person you see at the mall,
2
A bag contains 14 blue and 14 red marbles. What is the likelihood of drawing a red marble?
as likely as not
certain
unlikely
likely
3
You flip a coin and roll a number cube. P(heads and a number greater than 4)?
1/6
1/12
1/3
1/2
4
A Politician polled 50 of his supporters to implement a new law. Is this sample valid?
Unbiased, Systematic
Biased, Convenience
Unbiased, Simple Random
Biased, Voluntary Response
5
Sue noticed that 15% of her 180 work days it snows. How many days does it snow?
40
122
27
94
6
Which team has the greater Interquartile Range?
NY Knicks, 8
NY Knicks, 5
NJ Nets, 7
NJ Nets, 11
7
8, 5, 8, 8, 10, 13, 17, 17, 25, 20, 7, 9 What is the mode?
No Mode
8
9.5
12.5
8
8, 5, 8, 8, 10, 13, 17, 17, 25, 20, 7, 9 What is the median?
20
9.5
12.25
8
9
Who spent the maximum number of minutes practicing?
Alessandra, 70
Lily, 50
Lily, 70
Alessandra, 60
10
There are 3 pink, 2 purple, and 1 blue marble. P(pink, then blue) marble without replacing?
1/10
2/12
2/15
1/6
11
A number cube is rolled 15 times. How many times would you expect to roll a number less than 5?
5
2.5
12.5
10
12
A:
99,75,84,70,86,80
B:
85,83,87,90,85,82 Which class has higher quiz scores?
Class A
Class B
13
The theater has five movies showing.Which model would help you determine what movie to see?
Picking one of 4 marbles out of a bag
Rolling a fair 6-sided die
Flipping a fair coin
Spinner that is equally marked A,B,C,D,E
14
8, 5, 8, 8, 10, 13, 17, 17, 25, 20, 7, 9 What is the mean?
12.25
20
8
9.5
15
Alex rolls two number cubes. What is the probability that the sum is 9 or greater?
5/18
1/2
9/10
1/10
