Elementary Statistics, A Step by Step Approach: A Brief Version, 5th edition
MATH 302 302

Fall 2012
Len KellyMATH302 MATH302 Suggested Practice ProblemsChapter 5 CH5 Review Exercises 1. This is a discrete probability distribution, since the probabilities add to one. I like to use the term, probability mass function, since all of the probabilities are
Elementary Statistics, A Step by Step Approach: A Brief Version, 5th edition
MATH 302 302

Spring 2014
Part 1 of 3 
Question 1 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For
scientific notation, a
Elementary Statistics, A Step by Step Approach: A Brief Version, 5th edition
MATH 302 302

Fall 2012
Excel Tutorial to Improve Your Efficiency
Introduction Our purpose with this Excel tutorial is to illustrate some Excel tips that will dramatically improve your efficiency. We make no attempt to be as encyclopedic as some of the 800page Excel manuals ava
Elementary Statistics, A Step by Step Approach: A Brief Version, 5th edition
MATH 302 302

Spring 2014
Suppose that the demand for a companys product in weeks 1, 2, and 3 are each normally distributed
and the mean demand during each of these three weeks is 50, 45, and 65, respectively. Suppose the
standard deviation of the demand during each of these three
Elementary Statistics, A Step by Step Approach: A Brief Version, 5th edition
MATH 302 302

Spring 2014
To find the probability that out of 10 selections from a 45 person sample in which 15 are boys and 30 are
girls that 7 will be girls and 3 will be boys you must find the probability of each occurrence
independently. Because each time a person is selected
Elementary Statistics, A Step by Step Approach: A Brief Version, 5th edition
MATH 302 302

Spring 2014
1) Based on the sample referenced above, find a 95% confidence interval estimate for the proportion of the
entire voter population who approve or strongly approve of the Presidents handling of the crisis in
the financial markets.
2) If the same sample pro
Elementary Statistics, A Step by Step Approach: A Brief Version, 5th edition
MATH 302 302

Fall 2012
Course Calendar: 2012Sum MATH302_K Session Week 1 Date
Aug 6  12
Topic(s) The Nature of Probability and Statistics
Reading(s) Read and study Chapter 1 View the videos: Nature of Statistics and Probability View and study the PowerPoint presentation in the
Elementary Statistics, A Step by Step Approach: A Brief Version, 5th edition
MATH 302 302

Fall 2012
Microsoft Excel is a data tool that allows you to create a graph using specific data that
you have entered onto the Excel spreadsheet. You can create various types of graphs,
such as a scatterplot graph, pie chart and bar graph, depending on how you want