Exam 5: A Survey of Probability Concepts

A study of interior designers' opinions with respect to the most desirable primary color for executive offices showed that: What is the probability that a designer does not prefer blue?

A study by the National Park Service revealed that 50% of the vacationers going to the Rocky Mountain region visit Yellowstone Park, 40% visit the Grand Tetons and 35% visit both. What is the probability that a vacationer will visit at least one of these magnificent attractions?

The number of times an event occurred in the past is divided by the total number of occurrences. What is this approach to probability called? ____________________

What is the probability that a one-spot, two-spot, or six-spot will appear face up on the throw of one die? ______

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

A collection of one or more possible outcomes of an experiment is called an ___________.

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.

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

What approach to probability is based on a person's belief, opinion or judgment? _______

Which approach to probability assumes that the events are equally likely?

In a card deck of 52 cards, what is the probability of selecting two kings from the deck without replacement?

If two events are independent, then their joint probability is computed with

The process used to calculate the probability of an event given additional information has been obtained through

A builder has agreed NOT to build all "look alike" homes in a new subdivision. The builder has three different interior plans that can be combined with any of the five different home exteriors. How many different homes can be built?

In a management trainee program, 80 percent of the trainees are female, 20 percent male. Ninety percent of the females attended college, 78 percent of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a male who did NOT attend college?

In a survey of employee satisfaction, the following table summarizes the results in terms of employee satisfaction and gender. What is the probability that an employee is Female and Dissatisfied?

In flipping a fair coin, what is the probability of a head and a tail on one toss?

One card will be randomly selected from a standard 52-card deck of cards. What is the probability that it will be the jack of hearts? _____

When an event's probability depends on the likelihood of another event, the probability is a(n)

Bayes' theorem is used to calculate a subjective probability.