Theoretical
Maria is spinning a spinner. The spinner has 4 equal sections labeled A-D. What is the probability that the spinner will land on the letter "A"?
1/4 or 0.25, or 25%
Bob has a spinner with 5 equal sections, each a different color. After only 10 spins, the pointer hand landed on red 40% of the time. After a whopping 100 spins, the pointer landed on red only 22% of the time. What is the percentage of the other colours after 100 spins?
78%
You are trying to decide what to wear to school. You know you have a green pair of pants, a red pair, and a blue pair. You also have a brown shirt, a plaid shirt, and a yellow shirt. How many different outfit combinations can you make?
9
It is the type of probability that is the result of an experiment or trial.
experimental probability
How likely is it that a coin is flipped and lands on tails?
Equally likely
The classic wood carousel at Carousel Park in Hampton, VA has 32 jumping horses and 16 standing horses. What is the probability of randomly selecting a jumping horse?
32/48, or 2/3 or 0.67, or 67%
A letter tile is randomly selected from a bag, recorded, and replaced 100 times. The results are listed below. What is the experimental probability of selecting the letter "E"? A = 16; E = 11; I = 29; O = 19; U = 25.
11/100 or 0.11, or 11%
If your options for lunch are 3 types of noodles, milk or water, 4 types of sauce and 2 types of ice cream, how many possible lunches could you choose from?
48 possible outcomes
A number out of one hundred
percentage
How likely is it that a six-sided cube is tossed and lands on 3?
1/6
What is the probability of rolling two odd numbers in a row with a six-sided cube?
1/4, or 0.25, or 25%
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.
5/25 or 1/5
What is the probability of rolling doubles on two six-sided cubes five times?
5/25 or 1/5
What are the outcomes of spinning the spinner with the letters S, U, and N, and flipping a quarter (use H for heads and T for tails)?
SH, ST, UH, UT, NH, NT
How likely is it that a standard cube and is tossed and it lands on 8?
It's never going to happen
There are 3 red marbles, 2 green marbles, and 1 yellow marble in a box. One marble is taken out and not replaced. What is the probability that the marble was red?
3/6, or 1/2, or 0.5, or 50%
Out of 20 customers who purchased from a store, 30 bought shorts only, 80 t-shirts only, and 90 bought both shorts and t-shirts. Based on the previous purchases, about how many customers should be expected to buy t-shirts only from the next 180 customers who buy something at the store?
About 72 customers
Ms. French is packing for a trip. She packs a white blouse, a pink blouse, a blue blouse, and a green blouse. She also packs a black suit, a navy blue suit, and a gray suit. What is the probability that the first outfit she wears is the gray suit with a pink blouse?
1 out of 12
2). A bag contains 50 pieces of gum flavored cherry, grape, and watermelon.
William will randomly pick a piece of gum.
The probability of picking cherry is 1/5
The probability of picking watermelon is 7/10
What is the probability William will pick a piece of grape gum?
1/10
How likely is it that a six-sided cubed tossed and lands on any number 1-6?
It is certain