In how many different ways can the letters of the word KNOWLEDGE be arranged in such a way that the vowels always come together?
In how many different ways can the letters of the word KNOWLEDGE be arranged in such a way that the vowels always come together?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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- In how many different ways can the letters of the word KNOWLEDGE be arranged in such a way that the vowels always come together?
- In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
- From sale force of 150 persons, one will be selected to attend a special sales meeting. If 52 of them are unmarried, 72 are college graduates, and ¾ of the 52 that are unmarried are college graduates, find the probability that the sales person selected at random will be neither single nor a college graduate.
- A jar contains 3 red. 5 green, 2 blue and 6 yellow marbles. A marble is chosen at random from the jar. After replacing it, a second marble is chosen. What is the probability of choosing a green and then yellow marble?
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