An activity in which results are observed.
What is an experiment?
There are 3 red, 4 green, 2 purple, and 3 orange jelly beans in a bag. What is the probability of picking a jelly bean that is not purple?
What is 5/6?
A number cube was rolled 150 times. It landed on 2 21 times. What is the experimental probability of landing on a 2?
What is 21/150 (.14)?
In an experiment with a coin and fair die, the probability of landing on heads and 6.
What is 1/12 (.083)?
The chance an event can occur
What is probability?
The following marbles are in a bag: 20 red, 25 blue, 15 green, 10 white, and 30 black marbles. What is the probability of picking a red marble?
What is 1/5?
The class president made 75 copies of the flyer advertising the school play. It was found that 6 of the copies were defective. What is the probability that a flyer will be printed properly?
What is 6/75 (0.08)?
In an experiment involving a coin and fair die, the probability of landing on tails and an even number.
What is 1/4 (0.25)?
What is a simple event?
The following marbles are in a bag: 20 red, 25 blue, 15 green, 10 white, and 30 black marbles. What is the probability of picking a black marble?
What is 3/10?
Playing Monopoly with two dice and flip a two-sided coin, what is the probability the three events will occur?
What is 1/72? or 1 out of 72
The set of all possible outcomes in an experiment.
What is the sample space.
Mrs. Silverstein has 14 boys and 11 girls in her class. She must select one student at random to serve as the class moderator. What is the probability that she will choose a boy? What is the probability that she will choose a girl?
What is 14/25 (.56) and 11/25 (.44)?
Give the sample space for 2 dice being rolled.
What is (36 outcomes listed)?
A _____________ consists of two or more simple events
What is compound probability?
Based on world statistics, the probability of identical twins is 4/1000, while the probability of fraternal twins is 23/1000. What is the probability that a person chosen at random from the world will be a twin?
What is 27/1000 (0.027)?
If there are 10 marbles in a given bag. 5 are green, 3 are red, and 2 are yellow. What is the probability of choosing a red and yellow, with replacement?
What is 3 out of 50 or what is 3/50