ISDS 2000 – TEST 2 STUDY GUIDE
Chapter 5:
1.
Know the definition of random variable and be able to determine
whether a random variable is discrete or continuous.
2.
Understand the definition of probability distribution and probability
function.
3.
Be able to recognize the graph of a discrete probability distribution.
4.
Know that: a.
f(x) ≥ 0 for all values of x
b.
∑f(x) = 1
5.
Be able to calculate the mean and variance of a discrete probability
distribution.
6.
Be able to calculate probabilities for several values of the discrete
random variable.
Chapter 6:
1.
Understand that the probability density function is an equation that
gives a graph representing the histogram of the continuous random
variable.
2.
Be able to identify the characteristics of a normal distribution.
3.
Understand that a standard normal distribution is one having a mean
of 0 and a standard deviation of 1.
4.
Understand how to convert a normal random variable to a standard
normal random variable.
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 Spring '08
 Nunnery
 Normal Distribution, Standard Deviation, Variance, Probability distribution, Probability theory

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