Theoretical
One number cube is rolled. What is the theoretical probability of rolling a 3? Give your answer as a fraction.
1/6
A coin is flipped 100 times and the results were 25 heads and 75 tails. Based on the experiment what is the relative frequency (experimental probability) of flipping the coin and getting heads up? P (H) =
Give your answer as a simplified fraction.
1/4
You have four different pants and three different shirts. How many combinations of pants and shirts can you make?
12
Define "theoretical probability'.
It is what should happen.
How likely is it that a coin is flipped and lands on tails?
Equally likely
You flip a coin twice. What is the probability of two heads? Give your answer as a fraction, decimal, and percent.
1/4, 0.25, 25%
How many different outfits can you make with 5 pairs of jeans, 3 pairs of shoes, and 6 shirts?
5 x 3 x 6 = 90 outcomes
A carousel has 2 jumping horses and 2 standing horses. What is the probability of randomly selecting a jumping horse? Give your answer as a fraction, decimal, and percent.
1/2, or 0.50, or 50%
A coin is tossed 1000 times resulting in 700 heads and 300 tails. What does this mean about the coin?
It is not fair
What is the number of possible outcomes for spinning one spinner with 8 equal sections and another spinner with 6 equal sections?
48 possible outcomes
Define "experimental probability" or 'relative frequency'
The probability of what actually occurs based on an experiment.
How likely is it that a number cube is tossed and lands on 3?
Unlikely
You flip a coin twice. What is the probability of two tails?
Give your answer as a fraction, decimal, and percent.
1/4, 0.25, 25%
{heads, tails}
What is the probability of rolling two odd numbers in a row with a standard die? P(odd, odd). Give your answer as a fraction, decimal, and percent.
1/4, or 0.25, or 25%
A letter tile is randomly selected from a bag, recorded, and replaced 16 times. The results are listed below. What is the experimental probability of selecting the letter "E"? A = 4, E = 5, I = 4, and O = 3. Give your answer as a fraction.
5/16
For lunch you can choose a ham or turkey sandwich, chips or fries, and milk or water. How many lunch combinations are there?
8
What is the sample space?
The total number of outcomes
How likely is it that a number cube is tossed and it lands on 8?
Impossible
You flip a coin and roll a 6-sided die. What is the probability that you roll a 4 and land on tails? Give your answer as a simplified fraction.
1/12
What is the sample space of a standard die?
{1, 2, 3, 4, 5, 6}
There are 3 red marbles and 2 green marbles in a bag. A red marble is picked and put back in the bag. What is the probability of picking a red marble next? Give your answer as a fraction.
3/5
Pedro recorded the types of birds that visit his bird feeder. Based on the results below, what is the probability the next bird will be a chickadee? Woodpecker = 3, Chickadee = 5, Cardinal = 1, Sparrow = 13, Blue Jay = 3; 25 total birds.
Give your answer as a percent.
20%
Monica packs a white blouse, a pink blouse, a blue blouse, and a green blouse. She also packs a black suit, a navy suit, and a gray suit. What is the probability that the first outfit she wears is a gray suit with a pink blouse?
1 out of 12
Define "independent event."
When one event does NOT have an impact on the other
How likely is it that we will have school tomorrow?
Likely
You flip a coin three times. What is the probability of three heads in a row? Give your answer as a fraction.
1/8
What is the probability of rolling a number less than 1 and then an even number on a die? P (n<1, even)
0/6 x 1/2= 0
Jarvonya spins a spinner with 5 equal sections numbered 1-5 and she spins another spinner with 5 equal sections with the letters A-E. What is the probability she will spin a 4 and a B? P (4, B) Give your answer as a fraction, decimal, and percent.
1/25 or 0.04, or 4%
A six-sided die is thrown 50 times. What is the theoretical and the experimental probability of rolling a 3? This is the list of the number rolled followed by the quantity 1:8, 2:6, 3:7, 4:12, 5:10, 6:7
Give your answer as fractions.
The theoretical probability is 1/6
The experimental probability is 7/50
What is the probability of rolling three 4's in a row on a number cube?
1/216
Define "dependent event."
When one event effects the outcome of the other
How likely is it that a number cube lands on 2 and a coin lands on heads?
Unlikely
You roll a 6-sided die and spin a spinner with equal sections of blue, green, yellow, and red. What is the probability of rolling a 5 and landing on green?
1/24
What is the probability of drawing a heart card from a deck of 52 cards, flipping heads on a coin, then rolling a 6 on a 6-sided die?
13/52 x 1/2 x 1/6 = 13/624