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7th Grade Probability and Statistic Review Flashcards | StudBud
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7th Grade Probability and Statistic Review
7th Grade Probability and Statistic Review
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Review of simple single event probability and statistics #math #probability #mathletes
Flashcards
28 cards
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Questions
28
Answers
1
A reporter asked 75 randomly selected students if they would be traveling over spring break.
58 students
10 students
64 students
116 students
2
Derrick surveyed students in the 7th grade about how many hours a week they spend studying.
75%of 7th gradestudents study for less than 26 hours a week
25% of 7th grade studentsstudy for less than 16 hours a week
7th grade students study for a median of 22 hoursper week
50%of 7th grade students study for more than 16 hr per week
3
What is the range for the data; 6, 13, 6, 5, 10, 2?
11
4
6
10
4
What is the probability that you spin and land on blue?
1/3
1/4
1/2
Certain
5
Which of the following describes the probability of rolling a factor of 32 on a number cube?
Certain
Impossible
Unlikely
Equal
6
What is the probability to not land on red?
1/2
3/4
1/3
1/4
7
What is the probability of selecting a gray marble?
4/7
2/7
1/7
3/4
8
What is the probability of drawing a white marble?
1/7
4/7
2/5
2/7
9
What is the probability that you will spin and land on red, green, blue, or orange?
Certain
1/4
1/3
1/2
10
What is the probability that you roll a 7?
1/3
impossible
5/6
1/2
11
Probability to draw a 4 from a deck of cards is 1/13. What is the probability to not draw a 4?
12/13
1/2
2/13
4/13
12
You flip a coin 10 times. How many times should you expect to get heads?
5
10
2
8
13
What is the probability of selecting a diamond?
Impossible
1/3
1/4
1/2
14
You got heads the last three flips. How likely are you to get tails on your next flip?
I still have an the same chances of getting heads or tails.
I should expect to get tails.
15
You roll a number cube, what is the probability that you get an even number (2, 4, or 6)?
3/4
1/2
1/3
1/6
16
What is the probability of spinning and landing on red?
1/2
1/4
Certain
1/3
17
What color marble are you most likely to draw?
Black
They are all equally likely.
White
Gray
18
How much greater isthe median weight of the dogs in Pet Store 2 than in Pet Store 1?
15 lbs
10 lbs
<p>5 lbs</p>
20 lbs
19
Probability to select gray is 4/7. What is the probability to not select gray?
5/7
2/7
3/7
1/7
20
Do you have an equally likely chance of landing on red as you do landing on blue?
No
Yes
21
What is the mean for the data; 6, 13, 6, 5, 10, 2?
6
13
7
10
22
What is the mode for the data; 6, 13, 6, 5, 10, 2?
2
No mode
6
5
23
What is the probability of selecting a black heart?
1/4
1/2
Impossible
1/3
24
What is the probability that you draw a red card?
1/3
1/2
1/4
Certain
25
What is the probability that you roll a 4 or 5?
Impossible
1/3
1/6
5/6
26
What is the median for the data; 6, 13, 6, 5, 10, 2?
6
5
<p>10</p>
5.5
27
You roll a number cube. Which of the following is not a possible outcome?
2
6
7
4
28
You have a bag with the pictured marbles. What colored marble are you least likely to draw?
gray
They are all equally likely.
black
white
