An ad agency is developing a campaign to promote a business opening in new mall development. To developan appropriate mailing list, they decide to purchase lists of credit card holders from MasterCard and AmericanExpress. Combining the lists, they find the following: 40 percent of the people on the list have only aMasterCard and 10 percent have only an American Express card. Another 20 percent hold both MasterCardand American Express. Finally, 30 percent of those on the list have neither card. The contingency table is as thefollowing:MasterCard No MasterCard.10American Express 20No American Express.40What is the probability that a person on the list does not have a Mastercard?Select one:O a. .90O b. 40O C. .18d. .33e. .70

From the provided information, The table is as follow: Mastercard No MasterCard American…

Answered: An ad agency is developing a campaign…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Debra is a stats keeper for the local youth soccer league. At the end of the season, she calculated the average number of passes completed in a game for a random group of 35 players to be 16.5 passes, their pass accuracy to be 55%, and that 17 of the players were left-footed. In contrast, the average number of passes completed in a game for all the players in the league was 24.8 passes, with a pass accuracy of 67%, while 115 players were left-footed. (a) For Debra's group, identify the population and the sample. Population: (Choose one) Sample: (Choose one) (b) Choose whether each number described below is a parameter or a statistic for Debra's group. × Number The 115 left-footed players among all the players in the youth soccer league The 67% pass accuracy among all the players in the youth soccer league The average of 16.5 passes completed in a game by the random group of 35 players Parameter Statistic
In a survey of 1000 students it was found that 840 own a cell phone, 450 own an MP3 player and 370 own both. How many students own neither?
After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they liked the movie. Out of 50 adults, 36 said they liked the movie, whereas out of 100 teenagers, 59 said they liked the movie. Fill in the blanks below to make the most reasonable statement possible. At the movie premiere, (Choose one) moviegoers liked the movie less. That is because only % liked the movie, whereas % of the (Choose one) moviegoers liked the movie. X
Several years ago, two companies merged. One of the concerns after the merger was the increasing burden of retirement expenditures. An effort was made to encourage employees to participate in the 401(k) accounts. Nationwide, 62% of eligible workers participated in these accounts. The accompanying data table contains responses of 30 employees of the company when asked if they were currently participating in a 401(k) account. Complete parts a through d. Click the icon to view the data table. a. Determine the sample proportion of company workers who participate in 401(k) accounts. The sample proportion is (Round to three decimal places as needed.) b. Determine the sampling error if in reality the company workers have the same proportion of participants in 401(k) accounts as does the rest of the nation. The error is. (Round to three decimal places as needed.) c. Determine the probability that a sample proportion at least as large as that obtained in the sample would be obtained if the…
A movie production company is releasing a movie with the hopes that many viewers will return to see the movie in the theater for a second time. Their target is to have 30 million viewers, and they want more than 40% of the viewers to want to see the movie again. They show the movie to a test audience of 155 people, and after the movie they asked them if they would see the movie in theaters again. Of the test audience, 65 people said they would see the movie again. a. Specify the competing hypotheses to test if more than 40% of the viewers will return to see the movie again. Ho: 0.4; versus HA b-1. Calculate the value of the test statistic. Note: Round final answer to 2 decimal places. Test statistic 0.4
After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they liked the movie. Out of 20 adults, 14 said they liked the movie, whereas out of 50 teenagers, 29 said they liked the movie. At the movie premiere, adult teenage movie goers liked the movie more because only % disliked the movie, whereas % of the ?adultteenagemoviegoers disliked the movie.
The question is in the image
Sally is interested in finding out if the political party affiliation of Americans who are registered to vote is related to whether or not they believe in ghosts. Suppose she finds that, among all Americans who are registered to vote, 31.7% are registered Democrats and 27.6% are registered Republicans. Among all registered American voters, the percent of people who are Democrat and who believe in ghosts is 7.0%, the percent of people who are Republicans and who believe in ghosts is 6.1%, and the percent of people who affiliate with other political parties and who believe in ghosts is 9.0%. Label each branch of the tree diagram with the correct probability value. Political party affiliation Believes in ghosts Yes 0.070 Democrat 0.930 No 0.317 Yes 0.061 0.276 Republican 0.939 No 0.407 Yes 0.090 Other 0.910 No Answer Bank
At a particular university, 60% of the students who apply for admission are in-state residence, 30% are from other states and the remaining applicants are international students. Of the in-state applicants, 40% are admitted. Further, 25% of applicants from other states are admitted, and 20% of international applicants are admitted. What percent of applicants are admitted?
Bob is a recent graduate of Industrial Engineering. During his job search, Bob compiled information about the top 300 multinational companies with offices in Toronto; and which of these companies also had offices in San Francisco, New York, and London. Here are the results of Bob’s research: 20% of the companies have offices only in London. 40 companies have offices only in San Francisco. 50 companies have offices in the 3 cities. 115 companies have offices in New York. 15% of the companies have offices in London and one other city. 10 companies have offices in San Francisco and New York, but do not have an office in London. 20 companies have offices in New York and London, but do not have an office in San Francisco.(a) Draw the Venn diagram that represents this situation
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A national chain of department stores ranks its 750,000 salespeople by the monetary value of their sales. Rafael's sales are at the 94 percentile. Maya's sales are at the 82nd percentile. (a) Which of the following must be true about Rafael's and Maya's sales? Maya's sales were higher in value than Rafael's sales. O Both Rafael and Maya had sales higher In value than the median. O The value of Rafael's sales were $1200 more than Maya's. O The values of both Rafael's and Maya's sales were in the bottom half of all of the salespeople. (b) Which of the following must be true about Rafael's sales? O Rafael had sales lower in value than about 94% of the salespeople. O The value of Rafael's sales were about 94% of the chain's total. O Rafael had sales higher in value than about 94% of the salespeople. O The value of Rafael's sales were about 6% of the chain's total. Explanation Check C Ō hp O X 5 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Access ✔

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