Exam 4: Describing Data: Displaying and Exploring Pata

A survey of top executives revealed that 35% of them regularly read Time magazine, 20% read Newsweek and 40% read Macleans & World Report. Ten percent read both Time and Macleans. What is the probability that a particular top executive reads either Time or Macleans regularly?

There are two letters C and D If repetitions such as CC are permitted, how many permutations are possible?

An insurance company has collected the following data on the gender and marital status of 400 Customers. Suppose that a customer is selected at random. Find the probability that the customer selected is Married if the customer is female.

i. An experiment is an activity that is either observed or measured. ii. If an experiment, such as a die-tossing experiment, has a set of events that includes every Possible outcome, the set of events is called collectively exhaustive. iii. The combination formula is: n!/(n - r)!

The following distribution table represents preferences for two types of cereals by 2,000 boys and Girls. Find the probability that a person prefers Fruity cereal given that the person is a boy.

A study of the opinion of designers with respect to the primary colour most desirable for use in Executive offices showed that: What is the probability that a designer does not prefer yellow?

A tire manufacturer truthfully advertises that "the average life of our new all-season radial tire is 100,000 kilometres." You purchase four of these tires. What is the probability that all four tires will Wear out before traveling 100,000 kilometres?

A study was done of the 377 vehicles parked in the college parking lot last Friday. The results Follow. What is the probability of finding a vehicle that is either a SUV or grey in colour?

Given the tree diagram below, what is the probability that your chosen meal includes roast beef and Shrimp cocktail?

A builder has agreed not to erect all "look alike" homes in a new subdivision. Five exterior designs Are offered to potential homebuyers. The builder has standardized three interior plans that can be Incorporated in any of the five exteriors. How many different ways are the exterior and interior plans Offered to potential homebuyers?

A study was done of the 377 vehicles parked in the college parking lot last Friday. The results Follow. What is the probability of finding a red sports car?

(i. A new computer game has been developed and its market potential is to be tested by 80 veteran Game players. If sixty players liked the game, the probability that veteran game players will like the New computer game is 0.60. (ii. A probability that is based on someone's opinion, guess or hunch is subjective. (iii) The probability that a one-spot or a two-spot or a six-spot will appear face up on the throw of One die is 1/2 or 0.5.

(i. If there is absolutely no chance a person will purchase a new car this year, the probability Assigned to this event is 0.5. (ii. If the set of events are collectively exhaustive and mutually exclusive, the sum of the probabilities Equals 1. (iii) Suppose four heads did appear face up on the toss of a coin four times. The probability that a Head will appear face up in the next toss of the coin is 1/2 or 0.5.

When an experiment is conducted "without replacement",

Considering the chart below, what is the probability that if you select one person at random that They committed a violent crime, given that they were under 20 years of age?

The customer service department of H&R Block received a total of 235 telephone requests for a tip- Sheet on personal tax or corporate tax. The following table summarizes callers' primary area of Interest, and how they first heard about the tip-sheet. Suppose that a caller is selected at random. Are they more likely to be interested in personal tax And first heard about the report from the radio, or more likely to be interested in corporate tax and first heard about the report from the radio?

Information on the 30 Major League Baseball teams for the 2003 season has been summarized Based on game attendance. What is the probability that if a team is selected at random, it had a Winning season or attendance of more than 3.0 million?

Consider the following fix prix menu. You have two choices of appetizer, soup or shrimp cocktail, Three choices for your entree, roast beef, chicken cordon blue, or vegetarian lasagne, and two Choices for dessert, chocolate cake or apple pie. Which tree diagram below accurately describes This situation?

A group of employees of Unique Services is to be surveyed with respect to a new pension plan. In- Depth interviews are to be conducted with each employee selected in the sample. The employees Are classified as follows. What is the probability that the first person selected is in management and in supervision?

(i. When the special rule of multiplication is used events A and B must be independent. (ii. A probability is subjective if it is based on a person's degree of belief and hunches that a Particular event will happen. (iii) If there are five vacant parking places and five automobiles arrive at the same time, they can Park in 120 different ways.