Homework 7 Solutions 1. A Poisson process with = 10 accidents per week is equivalently a Poisson process with ' = 10 / 7 accidents per day. Thus, given that 7 accidents occurred in a particular week, the probability that exactly one accident occurred each
Statistics 100A Homework 1 Solutions
Ryan Rosario
Chapter 1 1. (a) How many different 7-place license plates are possible if the first 2 places are for letters and the other 5 for numbers? The first two places can contain any letter of alphabet, 1 of 26 p
Statistics 100A Homework 3 Solutions
Ryan Rosario
Chapter 4 1. Two balls are chosen randomly from an urn containing 8 white, 4 black, and 2 orange balls. Suppose that we win $2 for each black ball selected and we lose $1 for each white ball selected. Let
Statistics 100A Homework 2 Solutions
Ryan Rosario
Chapter 2 9. A retail establishment accepts either the American Express or the VISA credit card. A total of 24 percent of its customers carry an American Express card, 61 percent carry a VISA card, and 11
Statistics 100A Homework 6 Solutions
Ryan Rosario
Chapter 5 32. The time (in hours) required to repair a machine is an exponential distributed random variable with paramter = 1 . What is 2 Let X denote the time (in hours) required to repair a machine. X E
The Binomial Distribution and the Normal Approximation to the Binomial Distribution
February 7, 2008 R. Rosario This handout should help clarify the binomial distribution and its usage.
Assumptions
A common difficulty in learning probability is to determi
Statistics 100A Homework 5 Solutions
Ryan Rosario
Chapter 5 1. Let X be a random variable with probability density function c(1 - x2 ) -1 < x < 1 0 otherwise
f (x) = (a) What is the value of c?
We know that for f (x) to be a probability distribution - f (
Practice for Final - Stats 10/1 Summer 2008
Ryan Rosario - Section 1A
1. According to a 2007 data mining project performed by your TA, 4900 UCLA Facebook profiles and friend lists were downloaded to a hard disk using a Python crawler. The crawler starts b
Statistics 100A Homework 8 Solutions
Ryan Rosario
Part 1: Chapter 7 1. A player throws a fair die and simultaneously flips a fair coin. If the coin lands heads, then she wins twice, and if tails, the one-half of the value that appears on the die. Explain