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Problem 10

How many three-letter code words can be constructed from the first ten letters of the Greek alphabet if no repetitions are allowed?

Expert verified

There are 720 distinct three-letter code words that can be created from the first ten letters of the Greek alphabet with no repetitions allowed.

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Chapter 7

CoURSE ENROLLMENTS Among 500 freshmen pursuing a business degree at a university, 320 are enrolled in an economics course, 225 are enrolled in a mathematics course, and 140 are enrolled in both an economics and a mathematics course. What is the probability that a freshman selected at random from this group is enrolled in a. An economics and/or a mathematics course? b. Exactly one of these two courses? c. Neither an economics course nor a mathematics course?

Chapter 7

An experiment consists of selecting a card at random from a 52-card deck. Refer to this experiment and find the probability of the event. A king of diamonds is drawn.

Chapter 7

A leading manufacturer of kitchen appliances advertised its products in two magazines: Good Housekeeping and the Ladies Home Journal. A survey of 500 customers revealed that 140 learned of its products from Good Housekeeping, 130 learned of its products from the Ladies Home Journal, and 80 learned of its products from both magazines. What is the probability that a person selected at random from this group saw the manufacturer's advertisement in a. Both magazines? b. At least one of the two magazines? c. Exactly one magazine?

Chapter 7

A pair of dice is rolled, and the number that appears uppermost on each die is observed. Refer to this experiment and find the probability of the given event. A double is thrown.

Chapter 7

List the simple events associated with each experiment. A nickel and a dime are tossed, and the result of heads on tails is recorded for each coin.

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