Counting and Probability: Word Problems
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- (Video) Probability Word Problem by Mega Mind Academy Mega Mind Academy has an excellent video explaining how to approach probability word problems.
By Ben Ferrara, Alex Federspiel
- Probability: Word Problems As with other types of word problems, the best approach to navigating and solving probability word problems is to translate them from words to math. T…
By Hannah Bonville, Alex Federspiel, Ruiran Xun, Joshua Siktar
- (Video) Probability Word Problems (Simplifying Math) by Eric Buffington This is a great video that gives you a refresher in probability as a whole. He includes a quick recap on …
By Sarah Walker, Liza Sulkin, Amy Feraco
Problems 25
- The school bus has a 0.20.20.2 chance of being late on any given day. What is the probability of the bus being on time on both of the first two days of school?
- A Radio show has a puzzle contest where they choose a random winner from all the correct answers they receive. You and a dozen friends send in correct answers. If there were 104…
- You pull 333 random marbles from the bag, with replacement. What is the probability that you get one white, one yellow, and one red marble? Mark all correct answers.
- In your pocket you have 222 dimes, 222 nickels, and 222 quarters. What is the probability of you grabbing a coin being worth more than 555 cents? Write your answer as a simple f…
- Ben has 505050 games and 131313 of those are for his GameCube. If he grabs 333 at random, what is the probability that exactly one of those will be for GameCube?
- The probability that a person will claim their rebate after buying a phone is 60%60\%60%. If 444 people buy a phone today, what is the probability that none of them will claim t…
- A bag contains some white and black balls. There are 101010 white balls. If the probability of drawing a white ball is 13\frac{1}{3}31, how many black balls are in the bag? Wri…
- What is the probability that a randomly drawn positive factor of 108108108 is greater than 121212?
- A dinner at Pappa’s provides the following choices: Appetizer: salad or soup Entree: turkey burger, grilled veggie taco, or chicken club wrap Dessert: ice cream sundae, chocolat…
- Suppose there are now 424242 people at the party. How many different handshakes are possible?
- Suppose there's 424242 individuals at a party, 222 of which are dogs. How many different handshakes are possible?
- There are 111111 spots on the tennis team, and 101010 of the members on the tennis team from last year are returning and are guaranteed a spot on the team. If you and 666 other …
- You are a hacker on Pluto. The Martian you want to hack has a numerical password 888 digits long (possibilities ranging from 000000000000000000000000 to 999999999999999999999999…
- Erin received a shipment of 303030 glass ornaments just in time to decorate her tree. Of these 303030 ornaments, 444 are broken. Erin randomly pulls four ornaments out of the bo…
- If cookies don't have to have any chocolate chips on them, how many ways are there to distribute the 707070 chocolate chips among the 141414 cookies?
- Suppose you are given a sentence with nnn components, 333 of which are exactly a SUBJECT\color{red}{\text{SUBJECT}}SUBJECT, a VERB\color{green}{\text{VERB}}VERB, and an OBJECT\c…
- At Lotsa Pizza, you can build your own pizza with the choices below: Dough: Traditional, Wheat, Gluten-Free Sauce: Red, Spicy Red, Sweet Agave Red, Olive Oil, BBQ, Buffalo, Alfr…
- There are 202020 students in Mr. Berk's kindergarten class. Every day at lunch, he choose 333 students randomly to lead the line to the cafeteria. How many combinations are poss…
- If a player needs to roll a 151515 or more on a 202020-sided die to survive an attack, what is the probably that he/she will not survive? Assume the player is equally likely to …
- Bertie Bott also produces Bertie Bott's Every Flavor Pez. Each package contains 666 peppermint, 222 kumquat, 333 chilli pepper, and 555 garlic flavored candies in a random order…
- Ethan's sock drawer contains two pairs of white socks and one pair of red socks. Ethan picks two socks at random. What is the probability that he picks two white socks? Source: …
- How many ways are there to pick four cards from a deck, none of which are the same suit or number as another, if order is not important? (A deck has 525252 cards and 444 suits w…
- You want to be able to uniquely make exact change for any item you buy that has a price between 0.00\0.000.00 and 9.99.\9.99.9.99. Which of the following combinations of coins a…
- Erin received a shipment of 303030 glass ornaments just in time to decorate her tree. Of these 303030 ornaments, 444 are broken. Erin randomly pulls four ornaments out of the bo…
- A couple who has 666 daughters went for a picnic. The daughters have 555 brothers. Each brother has 444 kids. All of the people mentioned went to the picnic. In total, how many …