Vocabulary
The likelihood that something will happen.
What is Probability
What is the probability of flipping a coin and it landing on heads? (answer in fraction form)
What is one-half.
What is the probability of first rolling a six-sided cube and it landing on a 3 and then flipping a quarter and it landing on heads? (fraction)
What is one-twelfth.
If you flipped a quarter 30 times, how many times would you expect it to land on heads?
What is 15 times.
The results of an event.
What is outcome.
What is the probability of rolling a six-sided cube and it landing on a 2 or a 3? (fraction)
What is one-third.
What is the probability of rolling two six-sided cubes and both of them landing on a 1. (fraction)
What is one out of thirty six.
A six-sided cube is rolled 30 times. How many times would you expect it to land on the number 3?
What is 5 times?
A ________ event involves only one experiment.
What is simple.
What is the probability of rolling a six-sided cube and it NOT landing on an even number? (percent)
What is 50%.
You have a bag filled with 4 blue marbles, 6 red marbles and 2 yellow marbles. What is the probability of pulling out a blue marble, replacing it and then pulling out a yellow marble? (fraction)
What is one out of eighteen.
A five-section spinner is numbered from one to five. If it is spun 25 times, how many times would you expect it to land on an odd number?
What is 15 times.
_____________ events involve more than one experiment.
What are compound events.
A bag contains 5 red marbles, 6 blue marbles, 4 yellow marbles and 5 green marbles. If you reach into the bag, what is the probability that you will pull out a blue marble? (percent)
What is 30%.
You have a 5 section spinner labeled 1-5. What is the probability of spinning a 4 two times in a row? (fraction)
What is one-twenty fifth.
You have an eight-section spinner numbered from 1 - 8. If you spun it 64 times, how many times would you expect it to land on the number 3?
What is 24 times.
All outcomes that are NOT the event.
A classroom has 7 desks in the front row, 12 in the second row, and 11 in the third row. The teacher is randomly assigning students seats as they walk into the room. What is the probability that a student will be randomly assigned a seat in the middle row. (fraction)
What is six fifteenths.
You have a six-sided cube, and two quarters. What is the probability of rolling a 3 or a 4 and then flipping the quarters and them both landing on tails? (fraction)
What is one twelfth.
You are rolling a seven-sided cube. How many times would expect to land an odd number if you rolled it 70 times?
What is 40 times.