Table of Contents
- 1 What is the probability of choosing two vowels without replacement from the alphabet?
- 2 What is the probability of getting i from the word probability?
- 3 What are two letters word?
- 4 What is the probability of choosing two letters from four letters?
- 5 What is the probability that the letters L and M are ordered?
What is the probability of choosing two vowels without replacement from the alphabet?
The probability of selecting a vowel from the English alphabet is 5/26 (≈19.2\%) if you include only A, E, I, O, and U as vowels. If you include Y as a vowel, the probability is 6/26 (≈23.1\%). There are 26 alphabets out of which 5 are vowel. Therefore probability of choosing a vowel 5/26.
What is the probability that the alphabet chosen from the word random is a vowel?
Total number of vowels in “probability” = 4. Hence, the number of favourable outcomes = 4. Therefore, the probability that the selected letter is a vowel = 4/11.
What is the probability of getting i from the word probability?
One of the questions, “What is the probability of choosing the letter i from the word probability?” has the answer 2/9 (following logic of having a sample set of 9 letters in “probability”).
How do you find the probability of a letter in word?
Each letter provides disjoint events. So you can sum the probabilities both letters are the same for each letter. So S an N give (2/9) (2/9) =4/81 and E, A, I, T and O each give (1/9) (1/9)=1/81 So 5 terms contribute 1/81 and 2 contribute 4/81. Sum them to get the answer.
What are two letters word?
A comprehensive list of two-letter words
| aa | rough cindery lava |
|---|---|
| da | a person’s father |
| do | to perform an action |
| dy | a type of sediment |
| ee | dialect form of oh |
How are the letters in the alphabet?
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 choosing two letters from four letters?
Hence the required probability is 2/12 = 1/6. Two letters from four letters of the word LIME can be chosen without replacement in 4C2 = 6 ways. Note that this sample is unordered. The letters L and M can therefore be chosen in 1 way. Hence the required probability is 1/6.
What is the probability of drawing two vowels with one letter?
So of the 12 total ways to draw two letters, there are 2 ways to draw to vowels. So the probability is 2 12 = 1 6. but only the choice of A and E results in two vowels. The probability is thus 1/6. The answer is very simple.
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.