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Find the probability. 17) A multiple choice test has 12 questions. Each question has four possible answers, of which one is correct. If a student guesses on every question, find the probability of getting exactly 4 correct. A) 0.0193 17) B) 0.333 ) 0.193 D) 0.386 Solve the problem. 18) 5 thousand raffle tickets are sold. One first prize of $2000, 4 second prizes of $700 each, and 8 third prizes of $300 each are to be awarded, with all winners selected randomly. If one entered 1 ticket, what are the expected winnings? A) -144 cents. 18) B) 60 cents 9 120 cents D) 144 cents Find the mean of the set of data. 19) 14,2,2,9, 10, 20, 2, 5 A) 8 19) B) 7 C) 19 D) 9.15

Find the probability. 17) A multiple choice test has 12 questions. Each question has four possible answers, of which one is correct. If a student guesses on every question, find the probability of getting exactly 4 correct. A) 0.0193 17) B) 0.333 ) 0.193 D) 0.386 Solve the problem. 18) 5 thousand raffle tickets are sold. One first prize of $2000, 4 second prizes of $700 each, and 8 third prizes of $300 each are to be awarded, with all winners selected randomly. If one entered 1 ticket, what are the expected winnings? A) -144 cents. 18) B) 60 cents 9 120 cents D) 144 cents Find the mean of the set of data. 19) 14,2,2,9, 10, 20, 2, 5 A) 8 19) B) 7 C) 19 D) 9.15

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Find the probability. 17) A multiple choice test has 12 questions. Each question has four possible answers, of which one is correct. If a student guesses on every question, find the probability of getting exactly 4 correct. A) 0.0193 17) B) 0.333 C) 0.193 D) 0.386 Solve the problem. 18) 5 thousand raffle tickets are sold. One first prize of $2000, 4 second prizes of $700 each, and 8 third prizes of $300 each are to be awarded, with all winners selected randomly. If one entered 1 ticket, what are the expected winnings? A) -144 cents 18) B) 60 cents ) 120 cents D) 144 cents Find the mean of the set of data. 19) 14, 2, 2, 9, 10, 20, 2, 5 A) 8 19) B) 7 C) 19 D) 9.15 Find the range for the set of data given. 20) 110, 113, 178, 581, 377, 269 A) 269 20 B) 581 9471 D) 267 Solve the problem. 21) 21) Person A makes 10,000 dallars a month in a company, for which the mean is 8,500 and the standard deviation is 260, Person B makes 9,000 dollars a month, tor which the mean is 7,600 and the standard deviation is 230. Which purson has the better pay? OBscore of 2.17 A) A, score of2.17 B) B score df 6,09 D) A score of 6.09 a hulu
Transcribed Image Text:Find the probability. 17) A multiple choice test has 12 questions. Each question has four possible answers, of which one is correct. If a student guesses on every question, find the probability of getting exactly 4 correct. A) 0.0193 17) B) 0.333 C) 0.193 D) 0.386 Solve the problem. 18) 5 thousand raffle tickets are sold. One first prize of $2000, 4 second prizes of $700 each, and 8 third prizes of $300 each are to be awarded, with all winners selected randomly. If one entered 1 ticket, what are the expected winnings? A) -144 cents 18) B) 60 cents ) 120 cents D) 144 cents Find the mean of the set of data. 19) 14, 2, 2, 9, 10, 20, 2, 5 A) 8 19) B) 7 C) 19 D) 9.15 Find the range for the set of data given. 20) 110, 113, 178, 581, 377, 269 A) 269 20 B) 581 9471 D) 267 Solve the problem. 21) 21) Person A makes 10,000 dallars a month in a company, for which the mean is 8,500 and the standard deviation is 260, Person B makes 9,000 dollars a month, tor which the mean is 7,600 and the standard deviation is 230. Which purson has the better pay? OBscore of 2.17 A) A, score of2.17 B) B score df 6,09 D) A score of 6.09 a hulu
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