Combinatorics - math word problems - page 16 of 52
Number of problems found: 1029
- Round destiny
There are five white and ten red balls in the destiny. Four balls will be drawn at random. What is the probability of the event "at least two spheres are white"? - Class - boys and girls
In the class are 60% boys and 40% girls. Long hair has 10% boys and 80% girls. a) What is the probability that a randomly chosen person has long hair? b) The selected person has long hair. What is the probability that it is a girl? - Three 192
Three separate containers each have one purple marble and two blue marbles. One marble is chosen from each box. Find the probability of selecting a blue marble from each box. - The box
The box contains five chocolate, three fruit, and two menthol candies. We choose sweets at random from the box. What probability will we take out one chocolate, one fruit, and one menthol candy without a return?
- And-or probabilities
P(A ) = 0.53, P(B) = 0.15, and P(A n B ) = 0.18. Find P(A U B ). Round approximations to two decimal places. - Probabilities
If probabilities of A, B, and A ∩ B are P (A) = 0.62, P (B) = 0.78, and P (A ∩ B) = 0.26, calculate the following probability (of the union. intersect and opposite and its combinations): - Variations 26791
If the number of elements increases by two, the number of variations of the second class of these elements created by 38 increases. What is the original number of elements? - A six-sided
A six-sided die is rolled once. What is the probability that the number rolled is an even number greater than two? - The dice
Find the probability that a number divisible by two or three will fall when the dice are rolled.
- Variations 4/2
Determine the number of items when the count of variations of the fourth class without repeating is 600 times larger than the count of variations of the second class without repetition. - Combinations 80637
If the number of elements decreases by 4, the number of combinations of the second class from these elements decreases three times. How many elements are there? - Probability 41091 What is the probability that an odd prime will fall on a dice roll?
- Combinations 16283
How many elements is it possible to form twice as many second-class combinations as a fourth-class combination? - Combinations 16213
From how many elements is it possible to create 120 second-class combinations?
- Raffle
In the pool number from 1 to 115. What is the probability that a randomly selected number is not prime? - 2nd class variations
From how many elements can you create 5112 variations of the second class? - Two-digit 26211
Write all two-digit numbers using the numbers 4 and 7 - Combinations
From how many elements can we create 990 combinations, 2nd class, without repeating? - Combinations
How many elements can form six times more combinations of the fourth class than the combination of the second class?
Solve combinatorics equation: V(2, x+8)=72 V(2,x+8) is variations, second class, from x+8 items.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
