Chapter 4 Practice Test B
Name: _ Date: _
1. Given eight students, three of which are females, if two students are selected at random,
without replacement, what is the probability that both students are female?
2. It has been reported that 3% of all cars
Homework #1
1. The number of birds in a tree is an example of a continuous variable. False
2. In an advertisement for a car, a driver is shown driving expertly through a difficult road
course. At the bottom of the ad, the following is included in small pr
Two events, A and B are independent if the probability of
A and B, that is, the probability of their intersection,
P(A B) = P(A) P(B). This is automatic but uninteresting
if P(A) = 0 or 1, likewise for B. If 0 < P(A), P(B) <1, then
an equivalent statement
Chapter 3
Discrete Probability Distributions
Solved Problems
3.1 Random Variables
1.
Three automobiles are selected at random, and each is categorized as having a diesel (S) or nondiesel (F)
engine (so outcomes are SSS, SSF, etc.). If X = the number of ca