TEST II
The probability of the intersection of two mutually exclusive events must always be equal to O.
An experiment consists of four outcomes with P(E1) = .2, P(E)=.3, and P(E3) =.4. The probability of outcome
E4 is .1
Find the following probabilities:
Judge
Fred Cartolano
Thomas Crush
Patrick Dinkelacker
Timothy Hogan
Robert Kraf
William Matthews
William Morrissey
Norbert Nadel
Arthur Ney, Jr.
Richard Nichaus
Thomas Nurre
John O'Connor
Robert Ruehlman
J. Howard Sundermann
Ann Marie Tracey
Ralph Winkler
Hypotheses
Note that the equality always appears in the null hypothesis H0
A mfg's claim is usually given the benefit of the doubt and stated as the null hypothesis H0
Conclusion
Population condition
H0 True
Ha True
Accept H0
Correct
Conclusion
Type II Er
DSC 210
Exam Two Sample
Name _
Please be sure to show all your work. All questions and parts of questions are valued at six points except question
seven, which is a twelvepoint question.
1.
The makers of ComputeAll know that in the past, 40% of their sa
Name _
DSC210 Sample
Professor Davis
Final Examination
Be sure to show all your work . Please box all your answers.
1.
Consider a binomial random variable X with n = 25 and p = 0.3. Find the probability: P (X<15).
2.
Consider a binomial random variable X
DSC 210
Exam III
With Answers
Be sure to show all of your work. Each question is worth 6 points.
1.
The expected value of the sampling distribution of the sample mean
mean :
X equals the population
a. when the population is normally distributed
b. when th
Name _
DSC210 Sample
Professor Davis
Final Examination
Be sure to show all your work . Please box all your answers.
1.
Consider a binomial random variable X with n = 25 and p = 0.3. Find the probability: P (X<15).
P (x < 15) = Binomdist (14, 25, 0.3, 1)
DSC 210 TEST #2 STUDY GUIDE
Chapter 4: Introduction to Probability
Glossary
PROBABILITY: a numerical measure of the likelihood that an even will occur
EXPERIMENT: a process that generates welldefined outcomes
SAMPLE SPACE: the set of all experimental out
STATS TEST TWO
CHAPTER FOUR

PROBABILITY: numerical measure of the likelihood that an event will occur. Can be
used as measures of the degree of uncertainty. Values are always assigned on a scale from
0 to 1.

EXPERIMENT: a process that generates welld
DSC 210
Exam III
Name _MEL_
Be sure to show all of your work. Each question is worth 6 points.
1.
The expected value of the sampling distribution of the sample mean
mean :
a.
b.
c.
d.
2.
X equals the population
when the population is normally distributed
Cost to Fly to Atlanta
Mean
Standard Error
Median
Mode
Standard Deviation
Sample Variance
Kurtosis
Skewness
Range
Minimum
Maximum
Sum
Count
356.7286
19.85197
339.85
359.6
5517.408
1.783213
1.178319
290
249.6
539.6
4994.2
14
Cost to Fly to Salt Lake City
M