Binomial coefficient - practice problems - page 9 of 12
Number of problems found: 239
- Point line determination
How many lines are determined by 5 points if three lie in one line? - Cards 5
A thing into which you throw a coin and you can then look through it like through a telescope, contains an entire set of 81 Set cards. How many valid sets exist that contain at least one blue card? Sets is a card game. Each Set card has 4 properties: colo - Sick days
In Canada, there are typically 261 working days per year. There is a 4.9% chance of an employee taking a sick day. What is the probability an employee will use 17 OR MORE sick days in a year? - Twelve flowers
A florist has roses, tulips, daffodils, and carnations to use in flower arrangements. If she were to make an arrangement using 12 flowers, how many different combinations of these four types of flowers would be possible? - Cube construction
A 2×2×2 cube will be constructed using four white and four black unit cube. How many different cubes can be constructed in this way? ( Two cubes are not different if one can be obtained by rotating the other. ) - Graduation party
There were 15 boys and 12 girls at the graduation party. Determine how many four couples can be selected. - Records
Records indicate 90% error-free. If eight records are randomly selected, what is the probability that at least two records have no errors? - Probability of malaria
A survey at a hospital indicates that the probability of a patient testing positive for malaria is 0.6. Two patients are selected at random. What is the probability that: (i) one tests negative and the other tests positive? (ii) both patients test positiv - Test 10 questions
A test has 10 questions with multiple-choice answers. For the choice of the correct answer there are four options A, B, C, D, where always one of them is correct. How many are there all different possibilities for answers in this test, a) if its taker ans - Student testing options
There are 20 students in the class, four of them are being tested by the teacher. How many options are there to choose who the teacher will test? - Triangles - count
Find out how many triangles you create from lines 7 dm, 5 dm, 10 dm, 12 dm, and 15 dm long. - Menu
There are 12 kinds of meals on the menu. How many ways can we choose four different meals for the daily menu? - Planting of flower beds
A gardener has to plant three flower beds, each with just one kind of plant. The number of possibilities to plant these 3 flower beds with three different kinds of plants is 133 less than the number of possibilities to plant these beds with at most three - STRESSED word
Each letter in STRESSED is printed on identical cards, one letter per card, and assembled in random order. Calculate the probability that the cards spell DESSERTS when assembled. - Classroom
Of the 26 pupils in the classroom, 12 boys and 14 girls, four representatives are picked to the odds of being: a) all the girls b) three girls and one boy c) there will be at least two boys - Triangle Side Lengths Probability
We have the numbers 4, 6, 9, 13, and 15. What is the probability that these will be the lengths of the sides of the triangle? (Consider only scalene triangles.) - Three workplaces
How many ways can we divide nine workers into three workplaces if they need four workers in the first workplace, 3 in the second workplace, and 2 in the third? - Table Tennis Tournament Matches
Eight players took part in the table tennis tournament. The tournament system allows players to play with each other only once. How many matches will take place in this tournament? - Family
Ninety-four boys are born per 100 girls. Determine the probability that there are two boys in a randomly selected family with three children. - Boys and girls
There are 11 boys and 18 girls in the classroom. Three pupils will answer. What is the probability that two boys will be among them?
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