WorksheetsProbability Test Review
Total questions: 20
Worksheet time: 5hrs 0mins
What is the probability of randomly selecting an even number from the numbers 1-15?
(a)
Twenty students have an equally likely chance of being selected in a drawing at school. Eleven are 6th graders and nine are 7th graders. What is the probability that a seventh grader will be selected?
(a)
The probability of a spinner landing on green is 1/6. What does 5/6 represent?
P(yellow)
P(green)
P(green and yellow)
P(green')
Ryan can go to one movie on either Monday ,Tuesday, or Wednesday. He will be able to choose a drama or an action movie. Which list shows all the possible outcomes of one movie on one day?
Drama, Monday
Drama, Tuesday
Drama, Wednesday
Action, Monday
Action, Tuesday
Action, Wednesday
Drama, Tuesday
Drama, Wednesday
Action, Monday
Action, Tuesday
Drama, Monday
Action, Tuesday
Drama, Wednesday
Monday, Drama
Tuesday, Drama
Wednesday, Drama
A coin is flipped and a spinner labeled #1-6 is spun. How many possible outcomes are there?
10 outcomes
12 outcomes
48 outcomes
18 outcomes
In a game, the player wins if he rolls an even number on a number cube, if the number cube is rolled 42 times, what is a reasonable prediction for the number of successful rolls?
21 times
3 times
14 times
42 times
A health study of 260 students found that only 1 in 13 students gets enough sleep each night. Based on the results of the sample, how many students get enough sleep?
130 students
26 students
20 students
240 students
Two fair dice are rolled what is the probability that both land on 2?
(a)
At a school assembly, 2 out of the first 10 students were wearing their Spirit shirts. Based on this information, how many students could be expected to be wearing their spirit shirt if 400 students attended?
Don't forget your unit
(a)
There are eight marbles in a bag. Three are green, three are purple, and two are orange. You draw a marble, replace it, and then draw another. What is the probability of choosing two green marbles?
(a)
Two number cubes are rolled sequentially. What is the probability that the first number cube shows a number greater than 4 and the other number cube shows a number less than 3?
Simplify your answer
(a)
There are eight candies in a bag. Three are chocolate and five are sour. You draw a candy and do not replace it and then draw another. What is the probability of choosing two sour candies?
(a)
The letters in the word SUMMER are placed in a bag. What is the probability of selecting a E?
(a)
The spinner at the left is spun once. What is the probability of not landing on blue or green?
(a)
Grace is going to randomly pick a marble from the bag. If Grace does this 55 times, what is a reasonable prediction for the number of times she will get a green marbles?
Include your unit
(a)
The list below shows the different ice creams sold by noon at a local ice cream shop.
Vanilla: 10
Chocolate: 12
Strawberry: 6
Cookies and Cream: 7
Based on these results, if 280 cones were sold by the end of the day, how many cones could be expected to be strawberry?
Don't forget to include your unit.
(a)
Nora has a set of eight cards show below. Nora will randomly select a card, not replace it, and then select another card. What is the probability that she selects a number less than three and then a 7?
(a)
A lacrosse team has different colored pinnies that are worn over their jerseys.
There are 6 yellow pinnies, 4 orange pinnies, and 3 red pinnies. A team member is going to randomly select a pinnie from the bag. Which of the following statements is not true?
It is unlikely that the pinnie will be red.
It is twice as likely that a pinnie will be yellow than red.
It is likely that a pinnie will be yellow
It is equally likely that a pinnie will be red.
Mrs. Spagnuolo has 10 coins that include dimes, pennies, and nickels. She will randomly select a coin. Which of the following statements is not true?
The probability of selecting a dime is 2/7
It is unlikely that Mrs. Spagnuolo will select a penny
It is unlikely that Mrs. Spagnuolo will select a dime
Mrs. Spagnuolo is three times as likely to pick a dime as a nickel.
Mallori is going to randomly select a candy from a box containing 6 chocolate candies, 3 caramel candies, 2 mints, and 3 gummy worms. Two statements are made. Which statement(s) are true?
I. Mallori is twice as likely to pick a chocolate candy as she is a gummy worm.
II. Mallori is three times as likely to pick a chocolate candy as a mint.
I only
II only
I and II
Neither I or II
