Theoretical Probability
Sample Space
Misc
Probability
Probability of Independent Events
100
A number cube is rolled. Find the probability. P(5) Write each answer as a fraction, a decimal and percent.
What is 1/6, .166, 16.6%
100
How many outfits are possible from a choice of jeans or khaki shorts and a choice of a yellow, white, or blue shirt? Use a tree diagram.
What is 6 possible outcomes
100
Sandy took a sample of skittles and found that 20% were red. If there were 220 skittles, how many can she expect to be red?
What is 44
100
Find the probability that a calendar is randomly turned to the month of January or April.
What is 2/12
100
A coin is tossed and a single 6-sided die is rolled. Find the probability of landing on the head side of the coin and rolling a 3 on the die.
What is 1/12?
200
A number cube is rolled. Find P(less than one)
What is 0
200
What are the possible outcomes of apple, peach or cherry pie with milk, juice or tea
What is 9 outcomes
200
There are 2 red marbles, 4 blue marbles, 7 green marbles and 5 yellow marbles. P(red)?
What is 2/21
200
A coin is tossed, and a six-sided number cube is rolled. What is the probability of heads and an even number?
What is 3/12 = 1/4
200
Spin a spinner numbered 1 to 7, and toss a coin. What is the probability of getting an odd number on the spinner and a tail on the coin?
What is 2/7?
300
A number cube is rolled. Find P(4 or 6) Write each answer as a fraction, a decimal, and a percent.
What is 1/3, .333, 33.3%
300
How many ways can 2 video games be chosen from 5 video games?
What is 10 ways
300
There are 2 red marbles, 4 blue marbles, 7 green marbles and 5 yellow marbles. P(not yellow)?
What is 13/21
300
A bag contains 5 red marbles, 4 green marbles and 1 blue marble. A marble is chosen at random from the bag and replaced; then a second marble is chosen. What is the probability both marbles are green?
what is 4/25?
300
A letter card is chosen (A-H), and a number cube is rolled. Find the probability of each event. P(C and less than 3)
What is 1/24?
400
A number cube is rolled. Find the P(not 3 or not 4) Write as a fraction, decimal, and percent.
What is 2/3, .666, 66.6%
400
How many ways can a person choose to watch two television shows from four television shows?
What is 8 ways.
400
A coin is tossed three times. Find the probability of getting at least two heads.
What is 1/2?
400
Fifteen cards are numbered 1 through 15. One card is chosen at random. Determine the probability. P(5 or even)?
What is 8/15?
400
A letter card is chosen, and a number cube is rolled. Find the probability of each event. P(vowel and 7)
What is 0
500
A number cube is rolled. Find the P(multiple of 2) Write as a fraction, decimal and percent.
What is 1/2, .5, 50%
500
A coin is tossed three times. How many outcomes are possible?
What is 8 outcomes
500
A die is thrown twice. What is the probability both numbers are prime?
what is 1/4
500
Fifteen cards are numbered 1 through 15. One card is chosen at random. Determine the probability. P(odd)?
What is 8/15
500
A dresser drawer contains one pair of socks with each of the following colors: blue, brown, red, white and black. Each pair is folded together in a matching set. You reach into the sock drawer and choose a pair of socks without looking. You replace this pair and then choose another pair of socks. What is the probability that you will choose the red pair of socks both times?
What is 1/25?
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