WorksheetsCompound Events
Total questions: 19
Worksheet time: 10mins
The cup on Sophie’s desk holds 4 red pens and 7 black pens. What is the probability of her selecting first a black pen, and then a red one?
(a)
Three cards are selected from a standard deck of 52 cards. What is the probability of selecting a king, a queen, or a red card?
(a)
What is the probability of drawing two cards showing odd numbers from a set of cards that show the first 20 counting numbers if the first card is not replaced before the second is chosen?
(a)
A bag contains 45 dyed eggs: 15 yellow, 12 green, and 18 red. What is the probability of selecting a green or a red egg?
(a)
There are 3 quarters, 4 dimes, and 7 nickels in a change purse. Suppose 3 coins are selected without replacement. What is the probability of selecting a quarter, then a dime, and then a nickel?
(a)
A basket contains 4 plums, 6 peaches, and 5 oranges. What is the probability of picking 2 oranges, then a peach if 3 pieces of fruit are selected at random?
(a)
The letters of the alphabet are placed in a bag. What is the probability of selecting a vowel or one of the letters from the word QUIZ?
(a)
A photographer has taken 8 black and white photographs and 10 color photographs for a brochure. If 4 photographs are selected at random, what is the probability of picking first 2 black and white photographs, then 2 color photographs?
(a)
The letters from the word LOVE and LIVE are placed on cards and put in a box. What is the probability of selecting an L or an O from the box?
(a)
A 1 is rolled, then a 2, then a 3
(a)
A 1 or a 2 is rolled, then a 3, then a 5 or 6
(a)
2 odd numbers are rolled, then a 6
(a)
A number less than 3 is rolled, then a 3, then a number greater than 3
(a)
A box contains 5 triangles, 6 circles, and 4 squares. If a figure is removed, replaced, and a second figure is picked, what is the probability that a triangle and a circle will be picked?
(a)
A pair of dice is rolled. What is the probability that the sum is odd or a multiple of 3?
(a)
A bag contains 5 red marbles and 4 white marbles. A marble is selected from the bag, then replaced, and a second selection is made. What is the probability of selecting 2 red marbles?
(a)
A pair of dice is rolled, and the two numbers are added. What is the probability that the sum is either a 5 or a 7?
(a)
A jar contains 7 lemon jawbreakers, 3 cherry jawbreakers, and 8 rainbow jawbreakers. What is the probability of selecting 2 lemon jawbreakers in succession providing the jawbreaker drawn first is then replaced before the second is drawn?
(a)
What is the probability of drawing a red card or an ace from a standard deck of cards?
(a)
