Summary of Counting Methods
The multiplication rule can be stated as, If there are n1 outcomes in experiment
1, n2 outcomes in experiment 2, and so on up to nk outcomes for experiment k,
then there are n1 x n2 x x nk outcomes if the k experiments are done
E 243
February 19, 2013
This is a closed book quiz but you are allowed a help sheet with equations etc.
Quiz -1 Afternoon Session
15 points
1. A car repair can be performed satisfactorily either on time or late and either satisfactorily or
unsatisfactoril
E 243 Sample Quiz — 1A
Spring 2013 '
10+10 points
1) A guidance counselor is planning schedules for 30 students. Sixteen students say they
want to take French, 16 want to take Spanish, and 11 want to take Latin. Five say they
want to take both French and
Sample Quiz 2
In Class Spring 2017
(10+10 points)
1. The probability that the mileage of a certain kind of compact car is less than 22 miles
per gallon is 0.40. The probability that the mileage is between 22 and 25 miles per
gallon is 0.50 and that it is
E 243 Recitation 1 Spring 2017
January 27, 2017
Summary of Lectures 1 and 2
Important terms: Probability, Experiment, Event, Complement, Probability Axioms, Unions and
Intersections and the relation between them, Mutually Exclusive Events, and Exhaustive
E 243- 2017 Spring
Due: Feb 22nd
HW #2
Total Points -100
1. For the following probability density function,
f(x) = 0.5 for 0 < < 1
x
f(x) = for 1 < < 2
3
a. What is the 80th percentile value of X?
b. Find the probability that X greater than 1.5
Points:6+6
E 243- 2017 Spring
HW #1
Solutions
Due: Feb 7th
Total Points -100
Points:10
1. A multiple choice quiz consists of 10 questions. Each question has 4 choices and 1 correct answer. If a
person randomly chooses a choice from each question, what is the probabi
E 243
February 19, 2013
This is a closed book quiz but you are allowed a help sheet with equations etc.
Quiz 1 Morning Session
10 points
1) The table contains number of persons classified by gender and employment status.
Male
Female
Total
Employed
Unemplo