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WorksheetsYEAR9 5.1/5.2 - Probability
Total questions: 45
Worksheet time: 1hrs 2mins
How many outcomes are in the sample space for tossing one coin?
1
2
4
8
Based on the chart, what is the experimental probability of pulling a green marble?
1/8
8/25
8/100
7/8
If 33% of the students at Warren Middle School have a pet, then what is the probability of the students who do not have a pet?
33%
77%
67%
50%
Jillian rolled a dice 360 times. About how many times do you expect her to roll a 2?
20
180
60
120
If you flip the coin 100 times, approximately how many times could you expect to land on tails?
50 times
100 times
200 times
75 times
A die is rolled once. What is the probability of rolling an odd number? Your answer should be a fraction in simplest form.
1/6
1/2
3/6
2/5
The chart below represents the number of marbles in a jar.
P(green) =
(Answer in simplest form)
5/19
10/28
5/14
10/38
What is the P( not purple) on this spinner?
2/5
1/5
4/5
3/5
Find the probability of rolling a 7 on a single die.
1/6
7/6
0
7/7
The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a letter that is a vowel?
7/11
4/11
2/11
5/26
If a dice is rolled 300 times, how many times would you predict a roll of a 1 or a 6?
50
100
150
75
How many outfits are possible with 2 pairs of jeans, 5 t-shirts, and 2 pairs of shoes? (Hint: Use a list or tree diagram)
9
40
20
10
A die is rolled. What is the probability that the result is less than 3 ?
1/2
1/3
1/4
1/6
The list shows all possible outcomes for which experiment?
S = { (heads, heads), (heads, tails),
(tails, tails), (tails, heads) }
Flipping a coin one time
Flipping a coin two times
Flipping a coin three times
Flipping a coin four times
You spin the spinner and roll a die. How many outcomes are possible?
35
25
18
30
What is the probability of picking a shirt and pant combo with Jeans?
3/6
1/6
3
2/6
Which statement best describes the experimental probability and theoretical probability of the arrow landing on the section labeled Q?
A boy is playing darts with his friends. What is the probability that his dart will land in an unshaded square?
Several students conducted a simulation where a standard coin was tossed several times and the results were recorded in the table. Which table shows an experimental probability of landing on tails that is closest to the theoretical probability of landing on tails?
A
B
C
D
Rolling a 6 or an odd number are Mutually exclusive events. (True or False)
True
False
When would you expect the experimental probability of an event to get closer to equaling the theoretical probability of the event?
When there are exactly 50 trials in the experiment.
The fewer the number of trials in the experiment.
The larger the number of trials in the experiment.
This can't be determined.
The middle school offers art, band, and choir. 30 students are in choir. 30 are in band. 25 are in art. 12 students take choir and art. 4 students take band and choir.
What number belongs in the shaded area?
18
12
30
14
How many total outcomes are there?
What is the probability of rolling an even number and flipping a head?
What is the probability of rolling a less than 6 and flipping a head?
