Math 221
Quiz Review for Weeks 5 and 6
1.
Find the area under the standard normal curve between z = 1.6 and z = 2.6.
2.
A business wants to estimate the true mean annual income of its customers. It
randomly samples 220 of its customers. The mean annual in
Statistics Lab Week 4
Name: Rehan Ashraf
MATH221
Statistical Concepts:
Probability
Binomial Probability Distribution
Calculating Binomial Probabilities
Open a new MINITAB worksheet.
We are interested in a binomial experiment with 10 trials. First, we
Math 221
Quiz Review for Weeks 3 and 4
1.
2.
3.
4.
5.
6.
7.
8.
9.
State whether the variable is discrete or continuous.
The # of keys on each student's key chain.
discrete
Decide whether the experiment is a binomial experiment. Explain why by citing
the p
Final Exam
Review Questions
Solutions Guide
You will probably want to PRINT THIS so you can carefully
check your answers. Be sure to ask your instructor if you have
questions about any of the solutions given below.
1. Explain the difference between a popu
Math 221 - Statistics
Practice Quiz
Week 2
This quiz review covers materials from Weeks 1 and 2. Your quiz will be in Week 3
located in the Quiz Tab. Your quiz will mostly comprise of multiple choice, true/false,
and essay questions. The answers are at th
Statistics Lab #6
Name: Rehan Ashraf
Statistical Concepts:
Data Simulation
Discrete Probability Distribution
Confidence Intervals
Calculations for a set of variables
Open the class survey results that were entered into the MINITAB worksheet.
We want
Math 221
Quiz Review for Weeks 3 and 4
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
State whether the variable is discrete or continuous.
The # of keys on each student's key chain.
discrete
Decide whether the experiment is a binomial experiment. Explain why by citi
Statistics Lab Week 2
Name: Rehan Ashraf
Math: 221
Statistical Concepts:
Using MINITAB
Graphics
Shapes of Distributions
Descriptive Statistics
Empirical Rule
Data in MINITAB
MINITAB is a powerful, yet user-friendly, data analysis software package. Yo