Question
A survey of 200 people yielded the following information: 92 people owned a Blu-ray player,123 owned a microwave oven, and72 owned both. How many people
- A survey of 200 people yielded the following information: 92 people owned a Blu-ray player,123 owned a microwave oven, and72 owned both. How many people owned the following?
(a) a Blu-ray player or a microwave oven
(b) a Blu-ray player but not a microwave oven
(c) a microwave oven but not a Blu-ray player
- A department store surveyed 428 shoppers, and the following information was obtained:215 shoppers made a purchase, and292 were satisfied with the service they received. If51 of those who made a purchase were not satisfied with the service, how many shoppers did the following?
(a) made a purchase and were satisfied with the service
(b) made a purchase or were satisfied with the service
(c) were satisfied with the service but did not make a purchase
(d) were not satisfied and did not make a purchase
- In a survey, 674 adults were asked what television programs they had recently watched. The following information was obtained: 226 adults watched neither the Big Game nor the New Movie, and 285watched the New Movie. If 183 of those who watched the New Movie did not watch the Big Game, how many of the surveyed adults watched the following?
(a) both programs
(b) at least one program
(c) the Big Game
(d) the Big Game but not the New Movie
- A survey asked 816 college freshmen whether they had been to a movie or eaten in a restaurant during the past week. The following information was obtained: 397 freshmen had been to neither a movie nor a restaurant, and 261 had been to a movie. If 86 of those who had been to a movie had not been to a restaurant, how many of the surveyed freshmen had been to the following?
(a) both a movie and a restaurant
(b) a movie or a restaurant
(c) a restaurant
(d) a restaurant but not a movie
- A consumer survey was conducted to examine patterns in ownership of tablet computers, cellular telephones, and Blu-ray players. The following data were obtained: 313 people had tablet computers, 236 had cell phones, 267 had Blu-ray players, 69 had all three, 62 had none, 94 had cell phones and Blu-ray players, 55 had cell phones but no computers or Blu-ray players, and 108 had computers and Blu-ray players but no cell phones. (Round your answers to one decimal place.)
(a) What percent of the people surveyed owned a cell phone?
%
(b) What percent of the people surveyed owned only a cell phone?
- A survey of 138 pet owners yielded the following information: 49 pet owners own fish; 53 own a bird; 50 own a cat; 64 own a dog; 2 own all four; 11 own only fish; 16 own only a bird; 10 own fish and a bird; 21 own fish and a cat; 24 own a bird and a dog; 29 own a cat and a dog; 3 own fish, a bird, a cat, and no dog; 1 owns fish, a bird, a dog, and no cat; 9 own fish, a cat, a dog, and no bird; and 10 own a bird, a cat, a dog, and no fish. How many of the surveyed pet owners have no fish, no birds, no cats, and no dogs? (They own other types of pets.)
- An exit poll of 480 voters yielded the following information regarding voting patterns on Propositions A, B, C, and D: 119 voters voted yes on A; 163 voted yes on B; 129 voted yes on C; 142 voted yes on D; 37 voted yes on all four; 25 voted yes on A only; 60 voted yes on B only; 59 voted yes on A and B; 70 voted yes on A and C; 82 voted yes on B and D; 93 voted yes on C and D; 10 voted yes on A, B, and C and no on D; 2 voted yes on A, B, and D and no on C; 16 voted yes on A, C, and D and no on B; and 30 voted yes on B, C, and D and no on A. How many of the surveyed voters voted no on all four propositions?
- Given the setsU = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},A = {0, 2, 4, 5, 6}, andB = {0, 1, 4, 5, 8}, use De Morgan's laws to find the indicated set.
(A'B)'
- Given the setsU = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},A = {0, 1, 4, 6, 9}, andB = {2, 4, 5, 7, 8}, use De Morgan's Laws to find the indicated set.
(A'B)'
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