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WorksheetsProbability
Total questions: 15
Worksheet time: 15mins
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter that is “A”? Round your answer to the nearest percent.
29%
17%
71%
96%
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
83%
50%
33%
16.7%
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or pink?
67%
50%
33%
16.7%
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing the letters “A” or "E" when drawing from the bowl? Simplify.
2/49
2/7
3/7
10/49
Sam is fishing in a new pond that was just stocked with 3 bluegill, 4 catfish, 7 bass, and 2 carp. What is the probability that he caught a bluegill or a carp? Simplify.
1/40
1/8
3/124
5/16
You roll a pair of number cubes (dice). Which equation represents how to find the probability of rolling a 2 and an odd number?
P(2, then odd)
⅙ x ½ = 1/12
⅙ + ½ = 2/8
½ x ½ = 1/4
⅓ + ½ = 5/6
Which event is not a dependent event?
Picking 2 students to each be line leader and door holder from a group of 20 students
Picking 2 marbles from a bag without replacing the first marble
Picking 2 crayons from a box at the same time (simultaneously)
Picking an earring, replacing it, then picking a 2nd earring
What is the sample space?
A space where you get samples
The number of possible outcomes
A list of all the possible outcomes
A sample outcome
If a die is rolled one time, what is the probability that you get a 4?
61
41
64
66
If a die is rolled one time, what is the probability that you get a number less than 5?
65
64
0
61
If one card is pulled from a standard deck of cards, P(king) = ?
524
41
134
5213
A survey found that 56% of Americans are scared of the dark. If a random American is selected, what is the probability that they are NOT scared of the dark?
56%
100%
44%
54%
What does it mean for two events to be "mutually exclusive?"
they can happen at the same time
they cannot happen at the same time
they always happen at the same time
neither of those events could ever happen
Are these events mutually exclusive or not?
Pick a card: it is a heart; it is a diamond
mutually exclusive
not mutually exclusive
Are these events mutually exclusive or not?
Pick a card: it is a heart; it is a king
mutually exclusive
not mutually exclusive
