Combinatorial number - math word problems - page 11 of 16
Number of problems found: 307
- Component fail
There is a 90 percent chance that a particular type of component will perform adequately under high-temperature conditions. If the device involved has four such components, determine the probability that the device is inoperable because precisely one of t - Five-digit numbers
How many different five-digit numbers can be created from the number 2,3,5 if the number 2 appears in the number twice and the number 5 also twice? - Boys and girls
There are eight boys and nine girls in the class. There were six children on the trip from this class. What is the probability that: a) only boys went on the field trip b) just 2 boys went on the field trip - Mumbai
A job placement agency in Mumbai had to send ten students to five companies, two to each. Two of the companies are in Mumbai, and others are outside. Two students prefer to work in Mumbai, while three prefer to work outside. How many ways can assignments - A book
A book contains 524 pages. If it is known that a person will select any page between the pages numbered 125 and 384, find the probability of choosing the page numbered 252 or 253. - Peaches
There are 20 peaches in the pocket. Three peaches are rotten. What is the probability that one of the randomly picked two peaches will be just one rotten? - Sweater
Dana confuses me by stating that sweaters and wool have a choice of seven colors. How many ways can she choose from three colors for the sleeves?
- Triangles
Five sticks with a length of 2,3,4,5,6 cm. How many ways can you choose three sticks to form three sides of a triangle? - Ribbons 6640
Danka knits a sweater and has a choice of seven colors. a) How many ways can he choose three colors for the sleeves? b) He wants ribbons of four colors on his back. How many options does he have to choose from? - Accommodated 6614
Sixteen students on the brigade will be accommodated in one 8-bed and two 4-bed rooms. How many ways can they do that? - Blocks
There are nine interactive basic building blocks of an organization. How many two-block combinations are there? - Diagonals
What x-gon has 54 diagonals? - Three students
Three students independently try to solve the problem. The first student will solve a similar problem with a probability of 0.6, the second student will solve at a probability of 0.55, and the third will solve at a probability of 0.04. The problem is reso - Dice
We threw ten times playing dice. What is the probability that the six will fall exactly four times? - Probability 6549
There are 8 balls in the box, and 3 of them are new. For the first game, 2 balls are randomly selected from the box and returned after the game! For the second game, 2 balls are again chosen at random. What is the probability that both have already been u
- Bridge cards
How many bridge hands are possible containing 4 spades, 6 diamonds, 1 club, and 2 hearts? - Cancel fractions
Compress the expression of factorial: (n+6)!/(n+4)!-n!/(n-2)! - Dice We throw five times the dice. What is the probability that six fits precisely twice?
- Independent term
Find the term independent of x in the expansion of (4x³+1/2x)8 - Combinations 6 Six purses Nine flaps 12 straps Every combination must include one purse, one flap, and one strap. How many are possible combinations?
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