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WorksheetsProbability Assessment
Total questions: 23
Worksheet time: 1hrs 22mins
What is the probability of spinning an even number?
16 2/3%
33 1/3%
50%
75%
Find the probability that all flips will land on tails.
Find the probability of these 3 events.
P(red, odd, 3)
Clare picks a marble at random, puts it back, and then picks another marble at random. This is considered to be "with replacement". This is an example of what type of probability?
Dependent
Independent
Christopher picks a marble at random. Without putting the first marble back, he picks a second marble at random. This is considered to be "without replacement". What type of probability is this?
Independent
Dependent
A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced.
Find P(white, then purple)
1/9
2/9
1/5
3/5
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made WITH replacement.P(both marbles are purple)
1/4
1/5
2/9
2/5
In a game, Erin is rolling a fair number cube with faces numbered 1 through 6. Which BEST describes the probability of rolling an even number?
impossible
equal to the probability of rolling an odd number
less likely than the probability of rolling an odd number
more likely than the probability of rolling an odd number
The table below shows the number of each color of Mr. Logan’s pencils.
If he chooses one pencil without looking, what color is he LEAST likely to choose?
blue
green
red
yellow
Tim conducted a survey of the music preferences of forty of his classmates. The results are shown in the table below.
What is the probability, to the nearest percent, that one of the students surveyed, chosen at random, will prefer Country or Rap music?
15%
25%
38%
50%
When a fair coin is tossed four times, the outcomes shown below are possible.
What is the probability that heads (H) will appear at least twice when the coin is tossed 4 times?
3/8
7/16
5/8
11/16
A fair number cube has sides numbered 1 through 6. When the cube is rolled 100 times, which would be MOST likely to occur?
All the numbers rolled would be odd
The number 6 would never be rolled.
The number 7 would be rolled at least once.
An even number would be rolled 50 times.
The probability of spinning red on Julie's spinner is 1. Which best describes the probability of spinning red on Julie's spinner?
impossible
likely
unlikely
certain
Kai rolled a number cube 75 times. The results are listed in the table. What is the experimental probability of rolling a 6?
4%
12%
16%
17%
