Every seventh customer entering a shopping mall is asked to select his/her favorite store.
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Q: Assuming the requirements are met for the penny study, what is the upper bound for a 90% confidence…
A: given data n1 =116 x1 =80p^1 = x1n1 = 80116 =0.6897 n2 = 137 x2 = 91 p^2 = x2n2 = 91137 =…
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- A company conducted a marketing survey of college students and found that 191 own a bicycle and 74 owned a car. If 18 of those surveyed own both a car and a bicycle, how many interviewed have a car or a bicycle? preview answersin a survey of 14 college students, it was found that 9 were taking an English class, 7 were taking a math class, and 6 were taking both English and math. How many students were taking a math class only? How many students were taking an English class only? How many students were taking neither.A business has seven locations to choose from and wishes to rank only the top three locations. How many different ways can this be done?
- a pollster wnats to minimize the effect the order of the questions has on a person's response to a survey. how many different surveys are required to cover all possible arrangements if there are 9 questions on the survey?The results of a survey of visitors at the Eiffel Tower showed that 25 spoke English, 15 spoke French, and 8 spoke both English and French. How many spoke English or French?A merchant surveyed 540 people to determine the way they learned about an upcoming sale. The survey showed that 210 learned about the sale from the radio, 250 from television, 200 from the newspaper, 100 from radio and television, 50 from radio and newspapers, 90 from television and newspapers, and 30 from all three sources. How many people learned of the sale from newspapers or radio, but not both?
- A shoe company wants to test an updated model of a running shoe on its wear after one month of running. Which of the following describes a matched pairs design? They recruit 50 people who run on a regular basis to participate in their study. They will have the runners wear the shoes when they run for two months. After two O The subjects are numbered 1-50, and these numbers are put into a random number generator. The first 25 random numbers, ignoring repeats, represent the subjects assigned to the new model group. The remaining 25 subjects will wear the original model. months, the wear on the shoes will be determined using the depth of the tread and flexibility of the toe box. The wear between the new model and the original model will then be compared. The subjects' names are written on equal-sized slips of paper and placed into a hat. A researcher then reaches in and pulls out 25 slips of paper. These subjects are assigned to the new model group. The remaining 25 subjects will be…A random sample of BYU-Idaho students was surveyed and asked if they were in favor of retaining the penny as a form of currency in the United States. Out of the 116 women surveyed, 80 said that they were in favor of retaining the penny as a form of currency. Of the 137 men surveyed, 91 said that they were in favor of retaining the penny. Difference = Women - Men The picture below is the question. Use the information above to help.In a survey of 80 university students, 58 had taken mathematics course, 40 had taken biology course, and 18 had taken all the two courses. How many students had taken one course only
- In a survey, 200 restaurants were asked to select which of the following options were on their menu: tacos, burgers. 98 of the restaurants serve tacos and 74 of the restaurants serve burgers. 37 of the restaurants serve neither of these options. How many of the restaurants serve both tacos and burgers? Show your work.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 40 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 150 people, and after the movie they asked them if they would see the movie in theaters again. Of the test audience, 78 people said they would see the movie again. (You may find it useful to reference the z table.) Calculate the value of the test statistic. (Round final answer to 2 decimal places.) test statistic=