Theoretical
Experimental
Predictions
Vocabulary
How Likely is it?
100
Maria is flipping a coin and spinning a spinner. The spinner has 4 equal sections labeled A-D. This is the probability the coin will land on heads and the spinner will land on the letter "A".
What is 1/8? (or 0.125 or 12.5%)
100
Hasaan has a spinner with 5 equal sections, each a different color. After only 10 spins, the pointer had landed on red 40% of the time. After a whopping 1,000 spins, the pointer landed on red only 22% of the time. Hasaan says this is the reason.
What is, as the number of trials increase, the experimental probability reaches closer to the theoretical probability?
100
A spinner has 8 equal sections numbered 1 through 8. Spinning a 5 makes you a winner! If 200 contestants play, this many winners can be expected.
What is 25?
100
This type of event has a 0% chance of happening.
What is impossible?
100
How likely it is that a coin is flipped and lands on tails is described as this.
What is equally likely?
200
The classic wood carousel at Carousel Park in Hampton, VA has 32 jumping horses and 16 standing horses. This is the probability of randomly selecting a jumping horse.
What is 1/2? (or 0.50 or 50%)
200
Rachel spins a spinner with four equal sections 10 times. It lands on red 3 times, blue 2 times, yellow 4 times, and green 1 time. Based on these results, the expected number of spinning and landing on this over 80 trials is 32.
What is yellow?
200
Akiva flips a coin and rolls a six-sided die. If he does this 360 times he expects the coin to land heads up and the die to roll a 4 this many times.
What is 30?
200
This is the numerator in determining theoretical probability.
What is the number of favorable outcomes?
200
Whether a number cube is tossed and lands on 3 is this.
What is unlikely?
300
This is the probability of rolling a multiple of 3 with a standard die?
What is 1/3? (or 0.33 or 33.3%)
300
A letter tile is randomly selected from a bag, recorded, and replaced 100 times. The results are listed below. This is the experimental probability of selecting the letter "E". A = 16 E = 11 I = 29 O = 19 U = 25
What is 11/100? (or 0.11 or 11%)
300
Laura, Amy, and Chandra have been playing rock, paper, scissors and recording the winner. Laura won 11 times, Amy won 14 times, and Chandra won 10 times. This girl insists that if they played 105 times, she would win 42 times.
Who is Amy?
300
This is another way of saying "experimental probability".
What is relative frequency?
300
A number cube being tossed and landing on 8 is this.
What is impossible?
400
There are 3 red marbles, 2 green marbles, and 1 yellow marble in a box. One marble is taken out. This is the probability that the marble taken out is red.
What is 1/6? (or 0.166 or 16.6%)
400
Pedro records the types of birds that visit his bird feeder. Based on the results below, this is the probability the next bird will be a chickadee. Woodpecker = 3 Chickadee = 5 Cardinal = 1 Sparrow = 13 Blue Jay = 3
What is 1/5? (or 0.20 or 20%)
400
Danny has bought a scratch ticket every day this month and has won on 2 out of the 12 tickets. He predicts he will win on this many tickets by the end of the month if he continues to buy one every day for a total of 30 tickets.
What is 5?
400
The denominator of experimental probability is determined by this number.
What is the total number of trials or experiments conducted?
400
A number cube being tossed and landing on a number between 1 and 6 is this.
What is certain?
500
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. This is the probability she will spin a 4 and a B.
What is 1/25? (or 0.04 or 4%)
500
A six-sided die is thrown 50 times. From the list below, the theoretical probability of rolling a 3 is this, in comparison to the experimental probability. Number on Die How Many Times it Landed on that Number 1 8 2 6 3 7 4 12 5 10 6 7
What is higher? (Theoretical = 17%, Experimental = 14%)
500
Anika tells you there are three horses worth putting money on in this year's Kentucky Derby. Based on previous races, Sally's Ride's odds are 1:4, Helena Handbasket's odds are 3:10, and Babe Ruthless' odds are 2:5. Anika decides to go with the data and puts her money on this horse, the one with the best odds to win their next race.
What is Babe Ruthless?
500
An event with a 50% chance of happening is described as having this likelihood.
What is as likely to occur as not?
500
A number cube landing on 2 and a coin landing on heads is described as this.
What is unlikely?
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