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WorksheetsProbability and Counting Principle
Total questions: 15
Worksheet time: 2hrs 50mins
Name
Class
Date
1.
If you roll a die then flip a coin, how many possible outcomes?
a)
2
b)
6
c)
12
d)
64
2.
If you roll two dice, how many possible outcomes?
a)
360
b)
1
c)
36
d)
12
3.
How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?
a)
15
b)
40
c)
80
d)
10
4.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
5.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
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.
What is the probability of spinning red?
a)
0
b)
5/12
c)
1/2
d)
3/4
8.
The theoretical probability of rolling an even number on a dice.
a)
3/6
b)
1/2
c)
1/6
d)
5/6
9.
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?
a)
2/7
b)
5/49
c)
5/7
d)
10/49
10.
How do you write 0.02 as a percent?
a)
20%
b)
200%
c)
2%
d)
.02%
11.
If I flip a coin 10 times, how many times should I get heads?
a)
1
b)
10
c)
3
d)
5
12.
Change this decimal to a percent.
0.528
0.528
a)
528%
b)
52.8%
c)
5.28%
d)
52%
13.
Heather must choose a PIN code for her ATM card. The pin is a 4 digit code. How many possible PIN numbers are there?
a)
10,000
b)
More than 1 million
c)
4
d)
None of these
14.
You flip a nickel three times.
Find the probability that all flips will land on tails.
a)
1/2
b)
1/4
c)
1/6
d)
1/8
15.
A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3?
a)
1/12
b)
1/4
c)
1/8
d)
1/2
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