WorksheetsEnrichment A - Probability - April 10
Total questions: 15
Worksheet time: 45mins
Name
Class
Date
1.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
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.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
5.
A letter from the word MATH is chosen at random, then a coin is flipped. What is the probability of choosing the letter 'm' then getting tails?
a)
17/26
b)
1/8
c)
5/13
d)
1/6
6.
Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B. P(green, black)
a)
3/20
b)
1/4
c)
3/31
d)
2/27
7.
You pick a marble from this bag.
What is the probability you will choose either a black or a white marble?
*remember to simplify*
What is the probability you will choose either a black or a white marble?
*remember to simplify*
a)
3/5
b)
4/10
c)
3/10
d)
6/10
8.
What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?
a)
1/7
b)
7/20
c)
7/10
d)
3/10
9.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
10.
If you choose from the following M & M colors, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown
5 green
6 yellow
8 blue
7 brown
a)
8/26
b)
4/13
c)
8/25
d)
1/3
11.
A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?
a)
1/5
b)
5/6
c)
1/6
d)
6/5
12.
Melissa rolled a number cube that has sides labeled 1 to 6. What is the probability that she rolled a 2 or a 3?
a)
1/6
b)
1/3
c)
1/2
d)
3/4
13.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
14.
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
15.
What is the probability of spinning an even number?
a)
0.25
b)
0.33
c)
50%
d)
75%
100 %
