P(a multiple of 2)
A. 0.25
B. 0.5
C. 0.625
D. 0.75
B. 0.5
P(a factor of 12)
A. 12.5%
B. 25%
C. 50%
D. 62.5%
C. 50%
Which event has the greatest likelihood?
A. spinning 7
B. spinning not 7
C. spinning a multiple of 2
D. spinning a factor of 12
B. Spinning not 7
The table shows the results of rolling a number cube labeled one through six 50 times.
Number Rolled
Frequency
1
7
2
9
3
11
4
6
5
9
6
8
What is the experimental probability of rolling a 3?
A. 0.11
B. 0.22
C. 0.30
D. 0.27
1 / 4
A. 0.11 (11/50)
The table shows the results of rolling a number cube labeled one through six 50 times.
Number Rolled
Frequency
1
7
2
9
3
11
4
6
5
9
6
8
Based on the experimental probability, predict the number of times that you will roll a 5 if you roll the number cube 300 times.
A. 15
B. 27
C. 48
D. 54
D. 54 (approximately 0.18 x 300)
A school has an equal number of boys and girls. You use a coin to simulate the first three students to arrive at school each day, where “heads” represents a boy and “tails” represents a girl. The table below shows a sample of 20 coin tosses
T H T
T T T
T H T
H T H
H H H
T T T
H T T
H H T
T H T
T T T
T T H
T H T
H H T
H H H
H T H
T H T
H H T
T T T
H H H
T H T
Find the experimental probability that the first three students to arrive at school are boys.
A. Start Fraction 3 over 20 End Fraction
B. one-fifth
C. start fraction 3 over 10 end fraction
D. one-fourth