What is the probability of choosing 3 letters out of which at least 2 are vowels from the 26 letters of English alphabet?

1 Expert Answer There are 5 vowels (A,E,I,O,U) out of 26 possible letters. If you replace a letter before drawing the next letter, then the probability of drawing 3 vowels is (5/26)(5/26)(5/26). If you do not replace a letter before the next draw, then the probability of getting 3 vowels is (5/26)(4/25)(3/24).

What is the probability that a letter selected from English alphabets is a vowel?

526
When choosing a letter from English alphabet at random, there are only two possibilities; either vowel or consonant. Since there are five vowels, the probability of getting a vowel is 526.

What is the probability of choosing a vowel from the letter of the word photosynthesis?

It is 4/11.

What is the probability of picking a vowel?

2/5
Since there are two vowels, the probability of picking a vowel is 2/5. Since there are three consonants, the probability of picking a consonant is 3/5.

What letter in the English alphabet comes four letters before the letter that comes two letters after the letter N?

The Letter is F .

How many vowels are in the alphabet?

5
The alphabet is made up of 26 letters, 5 of which are vowels (a, e, i, o, u) and the rest of which are consonants. A vowel is a sound that is made by allowing breath to flow out of the mouth, without closing any part of the mouth or throat.

How many English alphabets are there?

26 letters
The English Alphabet consists of 26 letters: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z.

What is the probability of selecting a vowel when a letter is chosen at random from the word mathematics?

R D Sharma – Mathematics 9 4) The probability of choosing a vowel would be 4/11 = 0.3636..

What is the probability of choosing a letter from the word mathematics?

“Mathematics” is eleven letters, if I’m counting correctly, and there are four vowels. Therefore, your odds of selecting a vowel are 4/11, assuming the letters are sufficiently mixed for your choice to be approximately random.

What is the probability of 2 letters out of 26 vowels?

There are 26 letters in the English alpha-bet of which 5 letters are vowels and 21 letters are consonants. Now, 2 letters out of 26 can be selected total in C (26, 2) = 26!/2!. (24)! = 325 no. of ways and 2 letters out of 5 vowels can be selected in C (5, 2) = 5!/2!.3! = 10 no. of ways . Therefore, required probability = 10/325 .

What is the probability of 2 letters being drawn one by one?

Hence the required probability is 2/12 = 1/6. If the letters are drawn one by one with replacement, 2 letters can be drawn in 4*4 = 16 ways. This is an ordered sample. Hence the letters L and M can be selected in 2 ways. Therefore the required probability is 2/16 =1/8. Unearth granular insights with advanced exploratory analytics.

What is the probability that the letters L and M are ordered?

If the letters are chosen one by one at random without replacement, the the two letters can be chosen in 4*3 = 12 ways. This sample is an ordered sample. Hence the letters L and M can be chosen in 2 ways ( L followed by M or M followed by L). Hence the required probability is 2/12 = 1/6.

Are two letter selected at random from the word “examination”?

Two letter are selected at random from the word “examination”. Find the probability that both of them are the same letters? Upper and Lower case letters are regarded as the same letter. There is no distinction made between Upper and Lower Case. All other letters appear once only.