Stat 322
Exam 2
April 7, 2006
Name
Note: Points for each question are indicated in the left margin in square brackets.
1. Suppose that engineering specications on the diameter of a #10 machine screw p
Stat 322 - Homework 6
Maximum score: 20 points; due Thursday, October 22, 2015
1
1100 Club for Pumpkin Growers
Todd Holland from New York grows pumpkins. He studied his past records carefully and
conc
Stat 322 - Homework 4
Maximum score: 20 points; due Thursday, September 24, 2015
1
Snow in October
Suppose that the probability that a blizzard will occur in Iowa on any particular day starting
from O
Stat 322 Exam 1 October 1, 2015
Name
Note: Points for each question are indicated in the left margin in square brackets.
1. A computer manufacturer purchases 20%, 45%, and 35%, of its microchips from
Stat 322
Exam 1
February 17, 2006
Note: Points for each question are indicated in the left margin in square brackets.
1. A company receives 50%, 30%, and 20% of its wafers from suppliers A, B, and C.
Stat 322 - Homework 8
Maximum score: 20 points; due Thursday, November 5, 2015
1
Signal Transmissions
Binary signals are transmitted at a constant rate of 1000 per second. Suppose that transmission er
Stat 322 - Homework 3
Maximum score: 20 points; due Thursday, September 17, 2015
1
Driving Test
An individual repeatedly attempts to pass a driving test. Suppose that the probability
of passing the te
Stat 322 Exam 2 November 12, 2015
Name
Note: Points for each question are indicated in the left margin in square brackets.
1. Suppose that the resistances of nominal 100 Q resistors made by a manu
Stat 322 - Homework 1
Maximum score: 20 points; due Thursday, September 3, 2015
1
Broken Components
Four components are inspected (each component can be defective or non-defective) and three
events ar
Stat 322 - Homework 5
Maximum score: 20 points; due Thursday, October 8, 2015
1
Random Numbers
When you generate a random number using your calculator, the random number you get is
a realization of a
Stat 322 - Homework 9
Maximum score: 20 points; due Thursday, November 19, 2015
1
Weld Breaking Strength
In an inertia welding experiment, a sample of 50 welds was tested. The sample mean and the
samp
Stat 322 - Homework 7
Maximum score: 20 points; due Thursday, October 29, 2015
1
Apple-Tree Farms
Able and Baker are both apple-tree farmers (they grow apple trees). Assume that apple
trees grow accor
Chapter 1
Introduction
Motivation
In every field of human life there are processes that cannot be described exactly (by an algorithm). For
example, how fast does a web page respond? when does the bus