The speed of a molecule in a uniform gas at equilibrium is a random variable whose probability density function is given by

Add the downward diagonal products and subtract the upward products

find the area of the parallelogram whose vertices are listed

A communications channel transmits the digits 0 and 1. However, due to static, the digit transmitted is incorrectly received with probability .2

Two athletic teams play a series of games; the first team to win 4 games is declared the overall winner

It is known that diskettes produced by a certain company will be defective with probability .01, independently of each other

Find the determinants in Exercises 5–10 by row reduction to echelon form

If E[X]=1 and Var(X)=5, find (a) E[(2+X)^2] (b) Var(4+3X)

Compute the determinants in Exercises 9–14 by cofactor expansions. At each step, choose a row or column that involves the least amount of computation

An urn contains 4 white and 4 black balls. We randomly choose 4 balls. If 2 of them are white and 2 are black, we stop

Forum 7 soci 331

Following the election, 18% of the governors of the 50 United States were female