Exam 4: Describing Data: Displaying and Exploring Pata

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

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 a fair potential for advancement, given That they have a below average ability?

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 blue?

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. Is it more likely to be a single female or a single Male? Determine the probabilities of each.

i. A coin is tossed four times. The probability is ¼ or 0.25 that all four tosses will result in a head Face up. ii. A coin is tossed four times. The probability is 1/8 or 0.125 that all four tosses will result in a head Face up. iii. If two events are mutually exclusive, then P(A or B) = P(A) P(B).

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 heard about The report from the radio, assuming they are interested in personal tax.

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 average sales ability?

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?

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 car?

A lamp manufacturer has developed five lamp bases and four lampshades that could be used Together. How many different arrangements of base and shade can be offered?

(i. If there is absolutely no chance a person will purchase a new car this year, the probability Assigned to this event is zero. (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.

An electronics firm manufactures three models of stereo receivers, two cassette decks, four Speakers and three CD players. When the four types of components are sold together, they form a "system." How many different systems can the electronic firm offer?

i. The Cunard luxury liner, Queen Elizabeth 2, cannot be docked in Hong Kong and Bangkok at the Same time. Events such as these that cannot occur simultaneously are said to be collectively Exhaustive. ii. If there are 'm' ways of doing one thing and 'n' ways of doing another thing, the multiplication Formula states that there are (m)(n) ways of doing both. iii. A permutation is an arrangement of a set of objects in which there is an order from the first Through the last.

When two or more events can occur concurrently it is called

i. The Cunard luxury liner, Queen Elizabeth 2, cannot be docked in Hong Kong and Bangkok at the Same time. Events such as these that cannot occur simultaneously are said to be mutually exclusive. ii. If there are 'm' ways of doing one thing and 'n' ways of doing another thing, the multiplication Formula states that there are (m) • (n) ways of doing both. iii. A permutation is an arrangement of a set of objects in which order does not matter.

The machine has just been filled with 50 black, 150 white, 100 red and 100 yellow gum balls that Have been thoroughly mixed. Sue and Jim approached the machine first. They both said they Wanted red gum balls. What is the likelihood they will get their wish?

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 car that is not white?

Type of Attack What is the likelihood of a victim being attacked by a relative or acquaintance?

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 plans to cut jobs during the next 18 Months?

There are 10 rolls of film in a box and 3 are defective. Two rolls are to be selected one after the Other. What is the probability of selecting a defective roll followed by another defective roll?