A jewelry store sells gold and platinum rings. Each ring is fitted with a ruby, sapphire, emerald, or diamond gemstone. How many possible outcomes are in the sample space?
8
100
You flip a coin and then roll a fair six-sided die. What is the probability the coin lands heads up and the die shows a one?
1/12
100
Ms. Bursey needs two students to help her with a demonstration for her class of 7 girls and 9 boys. She randomly chooses one student, then another student. What is the probability both students are girls?
7/40
100
A magazine contains twelve pages and you open it to a random page. What is the probability that the page number is eight or ten?
1/6
100
You roll a fair six-sided die. What is the probability the die shows an odd number or a 5?
1/2
200
A spinner can either land on red, blue, or green. If you spin twice how many color combinations can be made?
6
200
Four coins are tossed. What is the probability that all four coins land on heads?
1/16
200
A bag contains 6 green marbles, 2 blue marbles, and 3 white marbles. Kevin draws one marble from the bag without replacement. Elliot then draws one marble from the bag. What is the probability that Kevin draws a blue marble, then Elliot draws a green marble?
6/55
200
A nasket of fruit contains three apples, three peaches, and four pears. If you randomly select a fruit, what is the probability it is either an apple or a peach?
A 3/5
200
A card is drawn from a deck of 52. What is the probability of drawing a spade or ace?
4/13
300
Eight rooms in a house need to be painted. Each room can be painted white or yellow. How many possible outcomes are there?
16
300
A card is chosen at random from a deck of 52 cards. It is replaced and a second card is chosen. What is the probability you draw an 8, then a jack?
1/169
300
In a shipment of 50 light bulbs, 7 are defective. Two light bulbs are randomly selected, not replaced, and tested. What is the probability that both light bulbs are defective?
3/175
300
A bag contains 30 marbles: 10 green, 12 red, 6 yellow, and 2 blue. A marble is drawn from a bag at random. What is the probability of getting a green or yellow marble?
8/15
300
A card is drawn from a deck of 52. What is the probability of drawing a black or 7?
7/13
400
A deli has three types of bread, four meats, and six cheeses. If one item from each category is used, how many types of sandwiches can be made?
72
400
A jar holds 15 red pencils and 10 blue pencils. One pencil is chosen, replaced, then a second pencil is chosen. What is the probability of choosing a red pencil, then another red pencil.
9/25
400
80% of all drivers wear seat belts. If three drivers are pulled over, What is the probability that all would be wearing seat belts. Write as a percent to the nearest tenth.
51.2%
400
A bag contains six yellow jerseys numbered one to six and four purple jerseys numbered one to four. You randomly pick a jersey. What is the probability is is purple or has a number greater than five?
1/2
400
A box of chocolates contains six milk chocolates and four dark chocolates. Two of the milk chocolates and three of the dark chocolates have peanuts inside. What is the probability of selecting a milk chocolate or a chocolate with peanuts?
9/10
500
Three students need to find a time to meet for a study group. The possible days are Tuesday, Wednesday, or Thursday. The possible times are 3, 4, and 5 pm. How many possible outcomes are there for the study session?
9
500
A CD rack has 8 classical CDs, 5 pop CDs, and 3 rock CDs. One CD is chosen and replaced, then a second CD is chosen. What is the probability the first CD chosen is rock and the second CD is pop?
15/16
500
A nationwide survey showed that 65% of all children in the US prefer chocolate ice cream. If three children are chosen at random, what is the probability that all three prefer chocolate ice cream. Write as a percent to the nearest tenth.
27.5%
500
A spinner has an equal chance of landing on each of its eight numbered regions. After spinning, what is the probability it lands on region three or six?
1/4
500
A magazine contains fourteen pages. If you open to a random page, what is the probability the page number is three or an odd number?