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Duplicate of Probability and Statistics Review Flashcards | StudBud
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Duplicate of Probability and Statistics Review
Duplicate of Probability and Statistics Review
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7th grade probability and statistics questions
Flashcards
34 cards
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Questions
34
Answers
1
What is the probability of not selecting peanut butter cups?
12/13
12/25
13/25
11/25
2
Write 13% as a decimal.
1.3
.13
.013
13.
3
How can you determine the number of possible outcomes?
create a tree diagram
all of the above
multiply the number of items in each category
make a list
4
How many times do you expect to roll a 2 if you roll a 6-sided die 420 times?
35
70
140
7
5
Determine whether the picture correctly displays the likelihood of drawing a marble.
incorrect
correct
6
You have 4 papers, 3 markers, and 2 stickers. How many different combinations can you make?
27
24
12
18
7
As a fraction in simplest form, what's the probability a customer will order cheese or sausage?
1/3
2/5
4/10
12/30
8
If Jordy picked 1 crayon without looking, which color is he least likely to choose?
yellow
green
red
blue
9
They wanted to find the most common pizza that kids like. They asked every 7th person in lunch
Yes, valid
No, invalid
10
Julio can make 3 bouquets using 9 flowers. How many bouquets can he make using 60 flowers?
180
20
18
120
11
In a standard deck (52 cards), what is the probability that the next card drawn will be a club?
1/4
1/52
13/52
1/13
12
Theoretically, how many times will the spinner land on 3 when spun 56 times?
8
7
18
19
13
When using a standard deck of playing cards (52 cards), which event is most likely?
drawing a red card
drawing the ace of hearts
drawing a club
drawing a queen
14
What is the likelihood you will draw an orange marble from the bag?
likely
unlikely
as likely as not
certain
15
Find the Mode: 2, 9, 14, 13, 24, 45, 6, 9, 5, 3
9
6
2
13
16
What is the probability of landing on a red space?
1/2
2/5
1/4
3/8
17
If you randomly choose an m&m, which statement would be true?
You are twice as likely to draw a yellow than a green.
You are less likely to draw a red than a yellow.
You are two times more likely to draw a red than a blue.
You are most likely to draw a yellow.
18
Find the Mean: 2, 9, 14, 13, 24, 45, 6, 9, 5, 3
14.4
16
13
10
19
True or false: Theoretical probability always equals experimental probability.
True
False
20
Find the Median: 2, 9, 14, 13, 24, 45, 6, 9, 5, 3
5
13.5
9
18.75
21
You have 7 purple, 5 green, and 2 yellow marbles. What is the likelihood of drawing a purple?
as likely as not
unlikely
likely
certain
22
What percent of people prefer pepperoni pizza?
30%
60%
87%
50%
23
We wanted to see the averageACT score was in the US, so we interviewed the students at 1 school
Yes, valid
No, its not valid
24
Write 3/40 as a percent.
5%
9%
7.5%
13%
25
Josie did 36 spikes in 4 volleyball games. How many spikes do you expect her to do in 20 games?
140
72
180
80
26
Ed misses 4 free throws in 20 tries. How many free throws do you expect Ed to make in 15 tries?
15
3
12
10
27
John draws a candy from the bowl. Which statement is true?
He is twice as likely to draw coconut than peanut butter.
He is less likely to draw coconut than peanut butter.
It is certain he will draw milk chocolate.
He has an equally likely chance of caramel and coconut.
28
Joy has 2 visors, 5 hats, and 6 headbands. What is the probability she'll wear a hat or visor?
6/15
7/13
1/2
2/3
29
What is the probability of choosing an M, replacing the card, and then choosing a T?
1/6
3/36
3/12
1/18
30
When rolling two dice, what is the probability that both will land on a 3?
1/6
1/36
1/2
2/12
31
When calculating probability, divide the desired outcome, or what you want to happen, by ____.
the total number of choices
the tree diagram
the number of objects in your house
half the sample space
32
If Helena randomly draws a crayon from the box, which statement is true?
Helena is more likely to draw yellow than red.
Helena is less likely to draw blue than green.
Helena will not draw a red crayon.
Helena is more likely to draw red than green.
33
If Sadie randomly draws one marble from a bag, which statement is true?
Sadie is less likely to take out a red marble than yellow.
Sadie is less likely to take out a blue marble than green.
Sadie is four times as likely to draw a blue than a green.
Sadie is more likely to take out a blue marble than green.
34
You flip a coin. What is the theoretical probability it will land on heads?
0.5, 2/2, 50%
0.5, 1/2, 50%
0.5, 1/2, 5.5%
0.05, 1/2, 50%
