subject
Mathematics, 03.12.2021 05:20 money2tymes

An urn contains n balls numbered 1, 2, . . . , n. We remove k balls at random (without replacement) and add up their numbers. Find the mean and variance of the total.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Write the fraction 9/50 as a decimal if needed round to the nearest hundredth
Answers: 2
question
Mathematics, 21.06.2019 19:30
Can someone me with these two circle theorem questions asap?
Answers: 2
question
Mathematics, 21.06.2019 23:00
Which equation shows y= 3 4 x− 5 2 in standard form? a 4x−3y=10 b 3x−4y=10 c 3x−4y=−10 d 4x−3y=−10
Answers: 1
question
Mathematics, 21.06.2019 23:10
Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.
Answers: 1
You know the right answer?
An urn contains n balls numbered 1, 2, . . . , n. We remove k balls at random (without replacement)...
Questions
Questions on the website: 13722363