List of Solutions

QUESTIONS Question 1 A group of 155 seniors at a local university were asked if they took an economics class and if they had an internship. The following table shows the results. Economics Class… Read More »(Answer) MATH399N – Week 3 Assignment: Contingency Tables for Probability

QUESTIONS Question 1 The probability that a student will take loans to pay for their undergraduate education is 0.85, and the probability that a student will go to graduate school given… Read More »(Answer) MATH399N – Week 3 Assignment: Multiplication Rules for Probability and the Fundamental Counting Principle

QUESTIONS Question 1 If A and B are events with P(A)=0.8, P(A OR B)=0.87, P(A AND B)=0.23, find P(B). Question 2 If A and B are events with P(A)=0.5, P(B)=0.3, P(A OR B)=0.67, find P(A AND B). Question 3 If a police officer pulls over someone for speeding, the police officer can either give a ticket… Read More »(Answer) MATH399N – Week 3 Assignment: Addition Rules for Probabilities

QUESTIONS Question 1 At a major international airport, passengers are questioned about their destination. Given Events A and B, are the two events mutually exclusive? Explain your answer. Event A: The passengers are traveling to Paris, France.… Read More »(Answer) MATH399N – Week 3 Assignment: Independent and Mutually Exclusive Events

QUESTIONS Question 1 Martin is a food critic reviewing a restaurant that has 6 main courses, 3 desserts, and 5 appetizers he has yet to try. Martin asks the server to surprise him with one of the… Read More »(Answer) MATH399N – Week 3 Assignment: Basic Probability

QUESTIONS Question 1 There are eight players on a basketball team. They are practicing their free throws by having each player shoot two free throws. The table below shows the… Read More »(Answer) MATH399N – Week 3 Assignment: Introduction to Probability in Statistics

QUESTIONS Question 1 Let S be the event that a randomly chosen voter supports the president. Let W be the event that a randomly chosen voter is a woman. Identify… Read More »(Answer) MATH399N – Week 3 Assignment: Probability Terminology and Notation

QUESTIONS Question 1 The following frequency table summarizes a set of data. What is the five-number summary? Value  Frequency 4 1 5 2 7 3 8 1 9 2 10… Read More »(Answer) MATH399N – Week 2 Assignment: Quartiles and Box Plots

QUESTIONS Question1 Which of the following sets of data should not be displayed with a pie chart? Assume that only the two given categories will be included. Question 2 Deborah… Read More »(Answer) MATH399N – Week 2 Assignment: Choose appropriate graphs to display data