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4/22/25 Math 7 Quiz (Probability and Statistics) Flashcards | StudBud
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4/22/25 Math 7 Quiz (Probability and Statistics)
4/22/25 Math 7 Quiz (Probability and Statistics)
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1
A fair die and coin are tossed at the same time. What is the probability that you land on 3 and tails?
Unlikley
\frac{4}{6}
\frac{3}{12}
\frac{1}{12}
2
The city wants to know how many dogs are owned. Which survey best represents the city's entire population of households?
Surveying 50 random households with a back yard
Surveying 5 random households in the city.
Surveying 50 random households in the city.
Surveying the 50 households in the neighborhood next to the park
3
A twenty-sided die with sides labeled 1-20 is rolled. What is the probability of landing on a number less than 8?
Unlikely
\frac{8}{20}
\frac{1}{7}
\frac{7}{20}
4
The tree diagram below shows sundae options. How many total outcomes are there that involve size small and strawberries?
3
4
2
6
5
The price of an item yesterday was $80. Today the price rose to $92. Find the percent increase (round to the tenths).
87% increase
15% increase
13% increase
115%
6
They find that 27 out of 50 houses have a dog. Predict the number of dogs in the city if there are 900 houses.
1.5
397
486
521
7
You spin a spinner 25 times. What is the
experimental
probability of spinning NOT grey?
\frac{7}{25}
\frac{18}{25}
Likely
\frac{7}{12}
8
Based on the dot plots below, which class ran the most miles on average?
Class A
Class B
9
The tree diagram below shows sundae options. How many total outcomes are there that do NOT involve chocolate?
2
4
3
6
10
The bag of marbles has 6 marbles. What is the likelihood of picking a blue marble?
Impossible
Unlikely
Equally Likely
\frac{1}{6}
11
Which of the following best describes the visual overlap between these two plots?
Half of the points overlap
Most of the points overlap
No data points overlap
There are a few points of overlap
12
What is the probability that the spinner stops on yellow or blue?
Likely
\frac{7}{8}
\frac{12}{64}
7
13
The radius of the circular park is 44 ft. Find the circumference and area. Use 3.14 for Pi. Do not round your answers.
C = 276.32 ft, A = 6079.04 ft2
C = 6079.04 ft, A = 276.32 ft2
C = 138.16 ft, A = 484 ft2
C = 138.16 ft, A = 7744 ft2
14
Which measure would be used to determine how much fertilizer will be needed to cover the grass in the park?
Diameter
Radius
Circumference
Area
15
The tree diagram below shows sundae options. How many total outcomes are there?
3
4
2
12
16
A fair, six-sided number cube is rolled once. Give all the possible outcomes for rolling a number greater than 4
4, 5, 6
1, 2, 3, 4
5, 6
\frac{2}{6}
17
A fair, six-sided number cube is rolled once. Give the
sample space
describing all possible outcomes
1-6
6
1, 2, 3, 4, 5, 6
\frac{1}{6}
18
A fair die and coin are tossed at the same time. How many total possible outcomes are there?
24
12
8
6
19
What is the theoretical probability that the spinner lands on NOT grey?
\frac{3}{5}
\frac{2}{5}
3
Likely
20
Trees are going to be placed around the park. Which measure would be used to determine how many trees will be needed?
Radius
Diameter
Area
Circumference
21
Choices for a dinner menu are listed below. How many combinations of appetizers, salads, and entrees are there?
28
40
11
48
