How many distinct 5-letter permutations can be formed using the letters of the word LEVEL?

Practise more Probability, Combinatorics and Statistics.

Free questions with an explanation for every one, and full timed Riigieksamid (Estonian State Exams) mock tests.

All Probability, Combinatorics and Statistics questions Take a mock test

More Probability, Combinatorics and Statistics questions

A committee of 3 members is to be chosen at random from 5 men and 4 women. What is the probability that the committee consists of 2 men and…
In a binomial experiment with $n = 4$ independent trials and success probability $p = 0.25$ , what is the probability of obtaining at least o…
What is the variance $σ^{2}$ of the discrete uniform distribution over the set ${1, 2, 3, 4, 5}$ ?
Events $A$ and $B$ satisfy $P (A) = 0.4$ , $P (B) = 0.5$ , and $P (A \cup B) = 0.7$ . What is the conditional probability $P (A ∣ B)$ ?
Two fair standard 6-sided dice are rolled simultaneously. What is the probability that the sum of the numbers is 8?
A discrete random variable $X$ takes values 1, 2, and 3 with probabilities $P (X = 1) = 0.2$ , $P (X = 2) = 0.5$ , and $P (X = 3) = 0.3$ . What is its e…

How many distinct… | Riigieksamid (Estonian State Exams)