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Theoretical
Experimental
Mutual Exclusive
Vocabulary
How Likely is it?
100
Maria is flipping a coin and spinning a spinner. The spinner has 4 equal sections labeled A-D. What is the probability the coin will land on heads and the spinner will land on the letter "A"?
1/8 or 0.125, or 12.5%
100
Hannah is playing basket ball and makes 15 out of 25 free-throw shots. What is the probability she all make the next free throw shot?
15/25 = 3/5, .60, 60%
100
You are trying to decide what to wear to school. You know you have a 2 green pairs of pants, 1 red pair, and 5 blue pair. What is the probability you will select a red pair or a blue pair?
6/8 = 3/4, .75, 75%
100
an outcome or set of outcomes of an experiment or situation. What is the word?
event
100
How likely is it that a coin is flipped and lands on tails?
As likely as not
200
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?
1/2, or 0.50, or 50%
200
Ms. Moran puts names on a piece of paper and randomly selections students to participate in an activity. She has selected a girl 6 out of 20 times. What is the probability she pull out a boys name?
14/20 = 7/10, .70, 70%
200
Students will give reports on novels, 9 will report on biographies, and 7 will report history books, and 6 will report on fiction novels. What is the probability the first student giving a report will be about biographies or history books?
16/22 = 8/11, .72, 72%
200
A possible result of a probability experiment. What is the word?
outcome
200
How likely is it that a number cube is tossed and lands on 3?
Unlikely
300
There are 5 boys and 7 girls on the Math Club team. Three of the Math Club team members are 7th graders. What is the probability of selecting a boy or a 7th grader?
8/12 = 2/3, .66, 66%
300
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%
300
A hat contains 1 red balls, 10 green balls, and 9 yellow balls. Rina chooses one ball at random from the hat. What is the probability of choosing a red ball or a yellow ball?
10/20 = 1/2, .50, 50%
300
a number from 0 to 1 (or 0% to 100%) that describes how likely an event is to occur. What is the word?
probability
300
How likely is it that a a dice numbered 1 through 6 is tossed and it lands on 8?
impossible
400
There are 3 red marbles, 2 green marbles, and 1 yellow marble in a box. What is the probability that you select a red marble?
1/2, or 0.50, or 50%
400
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
1/5, or 0.20, or 20%
400
You roll an 8-sided dice. What is the probability of rolling a 1 or an even number?
5/8, .625, 62.5%
400
Each repetition or observation an experiment. What is the word?
trial
400
How likely is it that a dice is tossed and lands on any number 1-6?
Certain
500
Jay spins a spinner with 5 equal sections numbered 1-5. What is the probability he will spin a 1 or a 3?
2/5 or 0.40, or 40%
500
You roll a dice 50 times and list the following outcomes: 1 - 15 times 2 - 10 times 3 - 5 times 4 - 10 times 5 - 10 times What is the probability the next roll will be a 3?
5/50 = 1/10, .10, 10%
500
You are trying to decide what movie to see. 2 movies are comedies, 3 are scary movies, and 5 are action movies. What is the probability you will see an action movie or a scary movie?
8/10, .80, 80%
500
the probability of one OR another event occurring. What is the word?
Mutually exclusive
500
What is the likelihood of selecting a red marble out of a bag with 4 red marbles and 6 blue marbles?
unlikely