MrCreative

8 Questions
0 Answers

+1

799

1

+47

HELP PLZ

Can anyone explain it?

MrCreative Sep 12, 2018

+3

645

1

+47

HELP ASAP

For each of the following identities, prove the identity by as many of our three methods -
counting paths, algebra, and committee-forming- as you can

MrCreative Sep 8, 2018

+1

987

1

+47

HELP !

Two fair 6-sided dice are rolled. What is the expected value of the sum of the dice? What is the
expected value of the product of the dice?

MrCreative Sep 6, 2018

+2

950

1

+47

Probability :) ?

A real number x is chosen at random such that -2 < x < 5. What is the probability that x2 < 2?

MrCreative Sep 3, 2018

+1

833

1

+47

HELP

What is the probability that when we roll 5 fair 6-sided dice, at most 4 of them will show 1?

MrCreative Sep 2, 2018

+1

1583

4

+47

can anyone explain it?

Suppose we flip four coins simultaneously: a penny, a nickel, a dime, and a quarter. What is the
probability that the penny and dime both come up the same?

MrCreative Aug 26, 2018

+3

2176

2

+47

Combinatorics ')

There are 6 married couples at a party. At the start of the party, every person shakes hands once with every other person except his or her spouse. How many handshakes are there?

MrCreative Aug 21, 2018

+3

1067

1

+47

5.4.2 How many ways are there to put 5 balls in 3 boxes if ... ?

5.4.2 How many ways are there to put 5 balls in 3 boxes if
(a) the balls are distinguishable and the boxes are distinguishable?
(b) the balls are distinguishable but the boxes are not?
(c) the balls are not distinguishable but the boxes are?
(d) read more ..

MrCreative Aug 18, 2018