Exam 4: Describing Data: Displaying and Exploring Pata

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 the selected salesperson has below average sales ability or has a fair Potential for advancement?

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 Losing season and drew attendance of less than 2.0 million?

When an event's probability depends on the likelihood of another event, the probability is

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. What is the probability that a randomly selected company does not plan to add jobs during the next 18 months?

i. A probability is usually expressed as a decimal, such as 0.70 or 0.27, but it may be given as a Fraction, such as 7/10 or 27/100. ii. The probability of 1 represents something that is certain to happen. iii. The probability of 0 represents something that cannot happen.

(i. A company has warehouses in four regions: South, Midwest, Rocky Mountain and Far West. One Warehouse is to be selected at random to store a seldom-used item. The probability that the Warehouse selected would be the one in the Far West region is 1/4 or 0.25. (ii. One card from a standard 52-card deck of cards is to be selected at random. The probability that It will be the jack of hearts is 4/52. (iii) An activity that is measured or observed is called a(n) experiment.

(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 25 different ways.

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 red?

Considering the chart below, what is the probability that if you select one person at random that They have committed a nonviolent crime?

Consideration is being given to forming a Super Ten Basketball Conference. The top 10 university Basketball teams in the country, based on past records, would be members of the Super Ten Conference. Each team would play every other team in the conference during the season and the Team winning the most games would be declared the national champion. How many games would The conference commissioner have to schedule each year? (Remember, McMaster versus Alberta is The same as Alberta versus McMaster.)

What does the complement rule state?

Type of Attack If one person is randomly selected, what is the likelihood that he or she was victimized by a Stranger, given that a robbery victim is selected?

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 average sales ability and Good potential for advancement?

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 Not single.

A rug manufacturer has decided to use 7 compatible colours in her rugs. However, in weaving a rug, Only 5 spindles can be used. In advertising, the rug manufacturer wants to indicate the number of Different colour groupings for sale. How many colour groupings using the seven colours taken five At a time are there? (This assumes that 5 different colours will go into each rug, i.e., there are no Repetitions of colour.)

A board of directors consists of eight men and four women. A four-member search committee is to Be chosen at random to recommend a new company president. What is the probability that all four Members of the search committee will be women?

Considering the chart below, what is the probability that if you select one person at random that They have committed a violent crime, given that they were between 20 and 40 years of age?

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

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 the selected salesperson has below average sales ability and has a fair Potential for advancement?

Given the tree diagram below, how many different "meals" are possible?