| 50534 | The probability that event M will not occur is 0.8 and the… | Medium | |
| 50540 | Xavier, Yvonne, and Zelda each try independently to solve a problem | Medium | |
| 50563 | From (1, 2, 3, 4, 5, 6), one number is picked out… | Medium | |
| 50620 | In a throw of dice what is the probability of geƫng number… | Medium | |
| 50646 | Two unbiased coins are tossed | Medium | |
| 50703 | There are 8 books in a shelf that consist of 1 paperback… | Medium | |
| 50715 | Each of the integers from 1 to 14 is written on the… | Medium | |
| 50856 | Three people (1 couple and 1 single) are seated at random in… | Medium | |
| 50891 | There are 12 stamps from which two stamps will be selected | Medium | |
| 50912 | A polling company reports that there is a 30% chance that a… | Medium | |
| 50913 | Bill has a small deck of 10 playing cards made up of… | Medium | |
| 50972 | On Saturday morning, John will begin a camping vacation and he will… | Medium | |
| 50996 | A drawer holds 5 red hats and 5 blue hats | Medium | |
| 51065 | Out of 10 persons working on a project, 7 are graduates | Medium | |
| 51073 | A package contains 8 black and 14 white balls | Medium | |
| 51078 | From a group of 4 boys and 4 girls, 6 children are… | Medium | |
| 51088 | Group A has 3 boys and 2 girls, group B has 4… | Medium | |
| 51094 | Tanya prepared 4 different letters to 4 different addresses | Medium | |
| 51106 | An unbiased die is tossed | Medium | |
| 51148 | A FIVE DIGIT NUMBER IS FORMED BY USING THE DIGITS 1,2,3,4,5 WITH… | Medium | |
| 51151 | According to a recent student poll, 4/5 out of 25 members of… | Medium | |
| 51167 | Out of 7 people working on a project, 3 are graduates | Medium | |
| 51169 | A six-sided die is rolled once | Medium | |
| 51177 | In a graduating class, 40 percent of the students are male | Medium | |
| 51194 | If an integer n is to be chosen at random from the… | Medium | |
| 51236 | Each of the integers from 1 to 16 is written on the… | Medium | |
| 51330 | In a jar there are balls in different colors: blue, red, green… | Medium | |
| 51334 | A bakery currently has 7 pies and 4 cakes in its inventory | Medium | |
| 51362 | Three unbiased coins are tossed | Medium | |
| 51404 | An urn contains 8 black and 2 white balls | Medium | |
| 51417 | 10 books are placed at random in a shelf | Medium | |
| 51439 | There are 9 balls in a jar: 3 red, 2 blue and… | Medium | |
| 51499 | Three cannons are firing at a target | Medium | |
| 51525 | If an integer n is to be selected at random from 1… | Medium | |
| 51542 | If there are 30 red and blue marbles in a jar, and… | Medium | |
| 51601 | A jar contains only red, yellow, and orange marbles | Medium | |
| 51652 | A certain team has 9 members, including Joey | Medium | |
| 51766 | Amy has two decks of 55 cards each: Deck 1 and Deck… | Medium | |
| 51928 | Jake remembers only the last three letters of his four-letter Klingon name | Medium | |
| 52035 | If a coin is tossed 5 times what is the probability that… | Medium | |
| 52067 | In a deck of cards there are 52 cards numbered from 1… | Medium | |
| 52107 | A bag contains 6red, 5blue and 2green balls | Medium | |
| 52179 | Out of 10 persons working on a project, 6 are graduates | Medium | |
| 52225 | Thurston wrote an important seven-digit phone number on a napkin, but the… | Medium | |
| 52234 | In a room filled with 7 people, 4 people have exactly 1… | Medium | |
| 52285 | A string of 30 light bulbs is wired in such a way… | Medium | |
| 52292 | Set S consists of integers {1,3,5,7} | Medium | |
| 52398 | The probability that A speaks truth is 15/23 and that of B… | Medium | |
| 52413 | A 6-meter long wire is cut into two pieces | Medium | |
| 52423 | There are 6 red shoes, 2 green shoes | Medium | |