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WorksheetsProbability - TEST
Total questions: 20
Worksheet time: 3hrs 16mins
Name
Class
Date
1.
The chart below represents the number of marbles in a jar.
P(green) =
P(green) =
a)
5/19
b)
10/28
c)
5/14
2.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9
c)
1/9
d)
1/3
3.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
4.
What is the probability of flipping a coin and getting heads?
a)
1/2
b)
1/3
c)
1/4
d)
Never, Tails never fails.
5.
What is the probability of selecting an orange candy?
a)
0%
b)
25%
c)
50%
d)
100%
6.
A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?
a)
3
b)
1/10
c)
3/10
d)
30%
7.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
8.
Rolling a 15 on a number cube is
a)
Impossible
b)
Certain
c)
Unlikely
d)
Equally Likely
9.
Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.
a)
Independent
b)
Dependent
10.
During P.E. class, one team is picking softball gloves from the class bucket. Lindsey chooses a glove first, followed by Megan.
a)
Dependent
b)
Independent
11.
Reid picks a card at random. Without putting the first card back, he picks a second card at random.
a)
Dependent
b)
Independent
12.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
13.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
14.
What is the probability of spinning an even number?
a)
16 2/3%
b)
33 1/3%
c)
50%
d)
75%
15.
You pick a marble from this bag.
What is the probability you will choose either a black or white marble?
What is the probability you will choose either a black or white marble?
a)
3/5
b)
9/100
c)
1/10
d)
2/5
16.
A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?
a)
5/11
b)
5/6
c)
1/3
d)
5
17.
A fair number cube is rolled 60 times. The results of the experiment are shown. For which side of the number cube were the experimental and theoretical probability the closest?
a)
2
b)
5
c)
4
d)
3
18.
Which of the following describes experimental probability?
a)
Perform a situation and count the number of possibilities
b)
Use trials to count the number of desired outcomes
c)
Perform an experiment to determine the probability of an event
d)
Use a formula to determine the expected probability of an event
19.
A spinner has 5 sections of equal size labeled P, Q, R, S, and T. The arrow of this spinner is spun 15 times and landed 4 times on the section labeled Q.
Which statement best describes the experimental probability and theoretical probability of the arrow landing on the section labeled Q?
Which statement best describes the experimental probability and theoretical probability of the arrow landing on the section labeled Q?
a)
The experimental probability is 4/15, and the theoretical probability is 1/5.
b)
The experimental probability is 1/5, and the theoretical probability is 1/5.
c)
The experimental probability is 4/15, and the theoretical probability is 4/15.
d)
The experimental probability is 1/5, and the theoretical probability is 4/15.
20.
A bag of candy contains 2 packs of Skittles, 4 Twizzlers, and 10 Reese's cups. What is the probability of reaching into the bag and choosing either a pack of Skittles or a Reese cup?
a)
3/4
b)
1/4
c)
3/8
d)
1/8
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