| 67205 | If a coin is tossed twice, what is the probability that on… | Medium | |
| 67220 | A bag contains 23 purple jellybeans, 12 green jellybeans, and 15 yellow… | Medium | |
| 67233 | While playing a certain dice game, Chris wins if the sum of… | Medium | |
| 67289 | A box contains four cents, of which two centss have heads on… | Medium | |
| 67296 | From a seven-member dance group, three will be chosen at random to… | Medium | |
| 67298 | A pack of 52 playing cards, 2cards are drawn together at random | Medium | |
| 67316 | A person tosses an unbiased coin | Medium | |
| 67328 | A division of a company consists of three men and five women | Medium | |
| 67330 | Flora and Ed will throw five dice each | Medium | |
| 67344 | A group of n people, including Caroline and her best friend Catherine… | Medium | |
| 67461 | As a treat for her two crying children, a mother runs to… | Medium | |
| 67494 | The probability that an electronic device produced by a company does not… | Medium | |
| 67533 | The probability of pulling a black ball out of a glass jar… | Medium | |
| 67549 | Alex is shuffling a pack of cards (54 cards in total) and… | Medium | |
| 67555 | Susan rolls 4 six-sided dice at once to win a bet with… | Medium | |
| 67644 | From a pack of 52 cards, 1 card is drawn at random | Medium | |
| 67683 | Jim and Reneesh will play one game of Rock, Paper, Scissors | Medium | |
| 67699 | A man can hit the target once in four shots | Medium | |
| 67701 | Among a group of 2,500 people, 35 percent invest in municipal bonds… | Medium | |
| 67732 | A no | Medium | |
| 67735 | Jason flips a coin three times | Medium | |
| 67752 | If Clara owns 7 boxes of cardboard of the 12 boxes placed… | Medium | |
| 67761 | Kate and Danny each have …1 | Medium | |
| 67852 | A six faced die is so biased that it is twice as… | Medium | |
| 67882 | If a fair die is rolled six times, what is the probability… | Medium | |
| 67884 | Annie has 100 cards numbered 1 through 100 | Medium | |
| 67918 | A bag contains ten marbles of the same size: 3 are identical… | Medium | |
| 68004 | If p^2 – 13p + 40 = d, and p is a… | Medium | |
| 68072 | If 40 percent of all students at college X have brown hair… | Medium | |
| 68113 | A class consists of 100 students, 30 of them are girls and… | Medium | |
| 68179 | Set A = {2,3,4,5} Set B = {4,5,6,7,8} Two integers will be… | Medium | |
| 68216 | A box contains 4 blue marbles, 4 red, 6 green marbles and… | Medium | |
| 68228 | In a simultaneous throw of a pair of dice, find the probability… | Medium | |
| 68236 | A bag contains 12 white and 18 black balls | Medium | |
| 68250 | On five consecutive flips of a coin, what is the probability that… | Medium | |
| 68323 | A canoe has two oars, left and right | Medium | |
| 68336 | An eight-digit telephone number consists of exactly two zeroes | Medium | |
| 68438 | Whats the probability of getting 5 Sunday(my favorite day) in a 31… | Medium | |
| 68485 | A coin is tossed until sequence HTH appears (H denotes the fall… | Medium | |
| 68565 | Kyle, Devon, and Catherine each try independently to solve a problem | Medium | |
| 68606 | There are 6 red balls,8 blue balls and 7 green balls in… | Medium | |
| 68630 | A canoe has two oars, left and right | Medium | |
| 68677 | A classroom has 3 electric lamps | Medium | |
| 68805 | If x^2 – 13x + 40 = q, and x is a… | Medium | |
| 68822 | The center of a circle lies on the origin of the coordinate… | Medium | |
| 68866 | John has on his shelf four books of poetry, three novels, and… | Medium | |
| 68896 | Two unbiased coins are tossed.What is the probability of getting at most… | Medium | |
| 68914 | In packing for a trip, Sarah puts three pairs of socks -… | Medium | |
| 68986 | A password for a computer uses four digits from 0 to 9… | Medium | |
| 69018 | A toy store sells small, medium, and large toy trucks in each… | Medium | |