WorksheetsUnit 6 Review
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
Sasha read a weather forecast that said there is a probability, expresses as a decimal, of 0.9 that it will rain tomorrow. Which of the following is the best interpretation of this probability?
a)
Unlikely
b)
Neither unlikely nor likely
c)
Likely
2.
Peter counted the number of days that rice was served in the school cafeteria. He calculated that the experimental probability of the cafeteria serving rice tomorrow is 4/8 . Which of the following is the best interpretation of this probability?
a)
Unlikely
b)
Neither unlikely nor likely
c)
Likely
3.
Keith and his family are moving to a new neighborhood. According to statistics for that neighborhood, there is a 3.5% chance that there will be another middle school student living on the same block as Keith. Which of the following is the best interpretation of this probability?
a)
Unlikely
b)
Neither unlikely nor likely
c)
Likely
4.
During her first 25 draws from a bag of marbles, Mary chose 11 yellow, 9 green, and 5 blue marbles. Each time she replaces the marble before selecting another. What is the experimental probability that Mary will choose a green marble on her next pick? Write the probability as a percent.
a)
9%
b)
25%
c)
36%
d)
44%
5.
Use the information from question #49. Summer rolled her dice 10 times and got the following results:
6, 4, 3, 6, 8, 8, 2, 2, 4, 6
What is the experimental probability of rolling an odd number on her dice?
6, 4, 3, 6, 8, 8, 2, 2, 4, 6
What is the experimental probability of rolling an odd number on her dice?
a)
9/10
b)
1/2
c)
3/10
d)
1/10
6.
For a family picnic, Mr. Brown set up a sandwich station with 3 choices of bread (white, wheat, rye), 4 choices of meat (ham, turkey, chicken, bologna), and 2 choices of cheese (cheddar, American). Make a tree diagram to determine the probability that Angela chooses a sandwich on rye bread with chicken and American Cheese.
a)
1/24
b)
1/8
c)
1/6
d)
1/9
7.
David is conducting an experiment in which he rolls two number cubes. He wants to determine the probability of rolling a number greater than 4, then rolling an even number. Using the sample space for the possible outcomes for rolling two number cubes, determine which outcome represents all the favorable outcomes for David’s experiment.
a)
(5, 6), (6, 6)
b)
(5, 6), (6, 5), (6, 6)
c)
(5, 2), (5, 4), (5, 6), (6, 2), (6, 4), (6, 6)
d)
(2, 5), (2, 6), (4, 5), (4, 6), (5, 4), (5, 6), (6, 4), (6, 5), (6, 6)
8.
Bryan will toss a coin then roll a 26-sided dice that has each of the letters of the alphabet on each face. What is the probability that the coin will land on tails and the dice lands on L, M, N, O, or P?
a)
1/52
b)
5/52
c)
1/14
d)
5/26
100 %
