Q1. Consider the following out come for experiment:
Outcome (x)
Probability p(x)
1
0.2
2
0.25
3
0.15
4
0.10
5
0.30
a. Let event A consist of the outcomes 2, 4, and 5 and event B consist of out
come 4
Home Work Questions (Chapter Three)
Note: You are allowed to use only a calculator in this homework
Q1 Below is the five-number summary of salaries (in $) for a sample of U.S. marketing
managers.
Min
STAT211 Term101
Chapter One
Introduction and Data Collection
Chapter Goals:
After completing this chapter, you should be able to:
How Statistics is used in business.
The sources of data used in busine
Home Work Questions (Chapter Four)
Q1 A cafeteria offers a three course meal. One chooses a main course, a starch, and a dessert. The
possible choices are below:
Meal
Main course
Starch course
Dessert
Home Work Questions (Chapter Two)
Q1: Fill in the missing components of the following frequency distribution constructed for a
sample size of 50:
Class
Frequency
7.85 less than
less than 8.05
8.05 les
Home Work Questions (Chapter Three)
Note: You are allowed to use only a calculator in this homework
Q1 Below is the five-number summary of salaries (in $) for a sample of U.S. marketing
managers.
Min
1
The cumulative Standard Normal distribution
Entry represented area under the cumulative standardized normal
distribution from - to Z
Cumulative Probabilities
Z
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.0
Homework Chapter 6
1. Assuming that the change in daily closing prices for stocks on the New York
Stock Exchange is a random variable that is normally distributed with a mean of
$0.35 and a standard d
Homework Chapter 7
1. A manufacturer claims that the average life of its light bulb is 1,200 hours. Assume that the
life of all such bulbs has a normal distribution with mean 1,200 hours, and standard
Homework Chapter 7
1. A manufacturer claims that the average life of its light bulb is 1,200 hours. Assume that the
life of all such bulbs has a normal distribution with mean 1,200 hours, and standard
Home Work Questions (Chapter One)
Q1:
Define each of the following statistical terms:
a. Descriptive statistics
b. Statistical inference
c. Population
d. Sample
Solution:
a. Descriptive statistics dea
STAT 211 Business Statistics I Term 102
1
Question One (3+3+3=9 points)
The time in minutes that forty workers needed to assemble computers were registered. The
following frequency distribution was ob
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS
DEPARTMENT OF MATHEMATICS & STATISTICS
DHAHRAN, SAUDI ARABIA
STAT211: BUSINESS STATISTICS I (102)
Course Objectives:
Introduce basic concepts of probabilit
King Fahd University of Petroleum & Minerals
Department of Mathematics & Statistics
STAT-211-Term101-II
Quiz #2
ID:
Serial:
Name:
Section
Question One (3 Points):
For the following table, construct an
King Fahd University of Petroleum & Minerals
Department of Mathematics & Statistics
STAT-211-Term091-I
Quiz #2
ID:
Serial:
Name:
Question One (3 Points):
The data below show the
2006 Winter Olympics.
Q1. Consider the following out come for experiment:
Outcome (x)
Probability p(x)
1
0.2
2
0.25
3
0.15
4
0.10
5
0.30
a. Let event A consist of the outcomes 2, 4, and 5 and event B consist of out
come 4
Homework Chapter 8
1. A sample of 16 observations selected from a normal distribution yields a sample
mean and variance 33 and 49 respectively. Construct a confidence interval for the
population mean
Examples for Chapter 10
1. An electrical engineer wishes to find the difference between the mean time between
failures (MTBF) for transformers obtained from two different vendors. The following
data w
STAT 211 term 102
Chapter Two
Presenting Data in Tables & Charts
Chapter Goals:
After completing this chapter, you should be able to:
Develop tables and charts for categorical data.
Create and interpr
STAT 211 Term102
Chapter Three
Numerical Descriptive Measures
Chapter Goals:
After completing this chapter, you should be able to:
To describe the properties of central tendency, the variation , and t
Stat 211- Term 102
Chapter 4
Basic Probability
Chapter Goals:
After completing this chapter, you should be able to:
Explain three approaches to assessing probabilities
Apply common rules of probabilit
1
Chapter 5
Some Important Discrete Probability Distributions
Chapter Goals:
After completing this chapter, you should be able to:
To calculate and interpret the expected value of a discrete random va
1
Chapter Six
Introduction to Continuous Probability Distributions
Chapter Goals:
After completing this chapter, you should be able to
To compute probabilities from the normal distribution
To use the
1
Chapter Seven
Sampling Distributions
Chapter Goals:
After completing this chapter, you should be able to:
To distinguish between different sampling methods
The concept of the sampling distribution
D
1
Chapter Eight
Estimating Single population Parameters
Goals of chapter:
After completing this chapter, you should be able to:
Distinguish between a point estimate and a confidence interval estimate
1
Chapter Ten
Estimation for Two Population Parameters
Chspter Goals:
After completing this chapter, you should be able to:
Form interval estimates for
two independent population means
Standard devia
King Fahd University of Petroleum & Minerals
STAT211: BUSINESS STATISTICS I
Homework number:_
Student name:_
Student number:_
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