Statistics 1000
Review problems for exam 2
1. Consider the following discrete probability distribution for the random variable X:
x
5 4 3 2
1
P(x) .1 .3 .2 .05 .35
Find the mean and standard deviation of X:
2. Explain all the assumptions necessary for a d

Chapter 3: Probability
Preliminaries:
1. The Counting Rule: ( 3 step version, easy generalization to > 3 steps)
Suppose we have a task or process that requires 3 steps to complete:
Step 1 can be accomplished k1 different ways;
Step 2 can be accomplished k

Frank Wadsworth
2114631
Sec:031D
1. A) Independent because the scores are from two different populations, the school of business and
the school of engineering.
B) School of Engineering p-value: .776. Since this is greater than .05 the data set is
approxim

STATISTICS 1000Q
Intersession 2017
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