| 26398 | In a certain lottery, the probability that a number between 1 and… | Medium | |
| 26415 | In Rwanda, the chance for rain on any given day is 1/2 | Medium | |
| 26449 | There are 13 stamps from which two stamps will be selected | Medium | |
| 26459 | Two dice are tossed | Medium | |
| 26463 | Three unbiased coins are tossed | Medium | |
| 26501 | A fair 2 sided coin is flipped 6 times | Medium | |
| 26520 | Mr | Medium | |
| 26537 | A bag contains 5 red, 4 blue and 3 green balls | Medium | |
| 26631 | Out of 15 students in a class, 8 are wearing blue shirts… | Medium | |
| 26712 | Raffle tickets numbered consecutively from 101 through 250 are placed in a… | Medium | |
| 26735 | In a box of 12 pens, a total of 3 are defective | Medium | |
| 26736 | There are 10 stamps from which two stamps will be selected | Medium | |
| 26762 | Square A has an area of 81 square centimeters | Medium | |
| 26776 | Two cards are drawn at random from a pack of 52 cards.what… | Medium | |
| 26853 | An unbiased die is tossed | Medium | |
| 26993 | A jar contains only red, yellow, and orange marbles | Medium | |
| 27085 | On Monday morning, Chris receives tickets to a baseball game that will… | Medium | |
| 27363 | On one side of a coin there is the number 0 and… | Medium | |
| 27489 | A certain bag contains 60 balls — 22 white, 18 green, 17… | Medium | |
| 27502 | An exam consists of 8 true/false questions | Medium | |
| 27539 | 10 books are placed at random in a shelf | Medium | |
| 27554 | A bakery currently has 4 pies and 7 cakes in its inventory | Medium | |
| 27647 | A FIVE DIGIT NUMBER IS FORMED BY USING THE DIGITS 1,2,3,4,5,6 WITH… | Medium | |
| 27743 | A bag contains 4 red, 3 blue and 2 green balls | Medium | |
| 27832 | According to a recent student poll, 4/6 out of 24 members of… | Medium | |
| 27852 | A miniature roulette wheel is divided into 10 equal sectors, each bearing… | Medium | |
| 27919 | If a card is drawn from a well shuffled pack of cards… | Medium | |
| 27978 | In a simultaneous throw of 2 dice what is the probability of… | Medium | |
| 28197 | A bag holds 4 red marbles and 3 green marbles | Medium | |
| 28369 | An unbiased die is tossed | Medium | |
| 28433 | A certain manufacturer of cake, muffin, and bread mixes has 140 buyers… | Medium | |
| 28461 | If two numbers, a and b, are to be chosen from a… | Medium | |
| 28495 | In a race where 16 cars are running, the chance that car… | Medium | |
| 28496 | An unbiased die is tossed | Medium | |
| 28522 | Out of 9 people working on a project, 4 are graduates | Medium | |
| 28527 | There are 9 books on a shelf that consist of 3 paperback… | Medium | |
| 28558 | Laura has a deck of standard playing cards with 12 of the… | Medium | |
| 28714 | Every year Taylor goes to the same carnival, and he attempts to… | Medium | |
| 28975 | In a village of 2,700 people, 900 people are over 70 years… | Medium | |
| 29015 | Amy has two decks of 50 cards each: Deck 1 and Deck… | Medium | |
| 29067 | A small, experimental plane has three engines, one of which is redundant | Medium | |
| 29105 | Jean drew a gumball at random from a jar of pink and… | Medium | |
| 29167 | Three unbiased coins are tossed, what is the probability of getting at… | Medium | |
| 29262 | How many possible ways are there to select 3 stocks at random… | Medium | |
| 29364 | A certain club has 10 members, including Harry | Medium | |
| 29372 | If an integer n is to be chosen at random from the… | Medium | |
| 29470 | If the probability of rain on any given day in City X… | Medium | |
| 29500 | Set S consists of integers {1,2,3,4} | Medium | |
| 29506 | When a random experiment is conducted, the probability that event A occurs… | Medium | |
| 29508 | A coin is tossed 6 times | Medium | |