Exam 4: Describing Data: Displaying and Exploring Pata

(i. A particular result of an experiment is called a(n) outcome. (ii. When the occurrence of one event does not affect the occurrence of the other event, the two Events are dependent. (iii) If the order of a set of objects is important, it is called permutation.

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. Find the probability that the caller selected is interested In personal tax, if they 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 had Attendance of more than 3.0 million, that it had a winning season?

Given the tree diagram below, how many "meals" included apple pie?

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 both an SUV and either blue or grey in colour?

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 sports car or a compact car?

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 over 40 years of age?

When are two events mutually exclusive?

You have the assignment of designing colour codes for different parts. Three colours are to be used On each part, but a combination of three colours used for one part cannot be rearranged and used To identify a different part. This means that if green, yellow and violet were used to identify a Camshaft, yellow, violet and green (or any other combination of these three colours) could not be Used to identify a pinion gear. If there are 35 combinations, how many colours were available?

The following distribution table represents preferences for two types of cereals by 2000 boys and Girls. Determine the probability that the person is a boy, given that the person likes Fruity Cereal.

(i. When the special rule of multiplication is used events A and B must be conditional. (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.

i. A subjective probability can be assigned to an event by an individual based on the individual's Knowledge about the event. ii. The probability that you would assign to the likelihood that the Hamilton Tiger Cats will be in the Grey Cup this season must be between 0 and 10. iii. A probability is a number from -1 to +1 inclusive that measures one's belief that an event resulting From an experiment will occur.

(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 3/4 or 0.75. (ii. A probability that is based on someone's opinion, guess or hunch is joint. (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.

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. What is the probability a caller is interested in personal tax given that he first heard of the tip-sheet In the newspaper?

Each salesperson in a large department store chain is rated with respect to sales potential for Advancement. These traits for the 500 salespeople were cross classified into the following table. What is the probability that a salesperson selected at random will have below average sales ability And fair potential for advancement?

A study by Tourism Ontario revealed that 50% of the vacationers going to Toronto visit the CN Tower, 40% visit SkyDome and 35% visit both. What is the probability that a vacationer will visit at Least one of these magnificent attractions?

Routine physical examinations are conducted annually as part of a health service program for the Employees. It was discovered that 8% of the employees needed corrective shoes, 15% needed Major dental work and 3% needed both corrective shoes and major dental work. What is the Probability that an employee selected at random will need either corrective shoes or major dental Work?

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. What is the probability a caller became aware of the tip-sheet either by radio or newspaper given Her primary interest is corporate tax?

The National Centre for Health Statistics reported that of every 883 deaths in recent years, 24 Resulted from an automobile accident, 182 from cancer and 333 from heart disease. Using the Relative frequency approach, what is the probability that a particular death is due to an automobile Accident?

A survey of 500 top Canadian companies reported what the companies' hiring outlook was for the Next 18 months as well as the general company outlook for the economy over the same period of Time. Given that a randomly selected company plans to add jobs during the next 18 months, what is the Probability that they have a favourable outlook for the economy?