In a survey of 3,541 adults concerning complaints about restaurants, 1,494 complained about dirty or ill-equipped bathrooms and 1,209 complained about loud or distracting diners at other tables. Complete parts (a) through (c) below......a. Construct a 90% confidence interval estimate of the population proportion of adults who complained about dirty or ill-equipped bathrooms..4082

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Answered: In a survey of 3,541 adults concerning…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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5. Listed below are the values (in dollars) that a random sample of Americans spent on fast food per month. a. Construct a 99% confidence interval of the mean value of money spent on fast food by all Americans. 100 156 67 41 78 62 112 120 70 42 89 85 96 97 11 56 100 98 80 98 20 64 101 100 15 71 35 72 121 74 b. Interpret these results with respect to the amount Americans spend on fast food.
In a survey of 3492 adults aged 57 through 85 years, it was found that 84.6% of them used at least one prescription medication. Complete parts (a) through (c) below. a. How many of the 3492 subjects used at least one prescription medication? 2954 (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication.
In a survey of 3092 adults aged 57 through 85 years, it was found that 88.5% of them used at least one prescription medication. Complete parts (a) through (c) below. K @ a. How many of the 3092 subjects used at least one prescription medication? 2736 (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. View an example Get more help. 2 %
In a survey of 3119 adults aged 57 through 85 years, it was found that 86,9% f them used at least one prescription medication. Complete parts (a) through (c) below. a. How many of the 3119 subjects used at least one prescription medication? (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. %
In a survey of 3341 adults aged 57 through 85 years, it was found that 88.1% of them used at least one prescription medication. Complete parts (a) through (c) below. a)a. How many of the 3341 subjects used at least one prescription medication? nothing (Round to the nearest integer as needed.) b) Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. (Round to the nearest integer as needed.) c)What do the results tell us about the proportion of college students who use at least one prescription medication?
.85%, 3.77 of 9 pts 7.1.19-T Question Help ▼ In a study of the accuracy of fast food drive-through orders, Restaurant A had 248 accurate orders and 56 that were not accurate. a. Construct a 90% confidence interval estimate of the percentage of orders that are not accurate. b. Compare the results from part (a) to this 90% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.171
. The data given to the right includes data from 39 candies, and 5 of them are red. The company that makes the candy claims that 32% of its candies are red. Use the sample data Weights (g) of a Sample Bag of Candy Red Blue Brown Green Yellow 0.858 0.758 0.917 0.746 0.917 to construct a 90% confidence interval estimate of the 0.929 0.789 0.824 0.962 0.939 percentage of red candies. What do you conclude about the 0.892 0.734 0.712 0.968 0.716 claim of 32%? 0.972 0.843 0.858 0.934 0.843 0.948 0.957 0.919 0.971 0.741 Construct a 90% confidence interval estimate of the 0.868 0.943 0.945 0.762 population percentage of candies that are red. 0.936 0.706 0.898 0.811 0.705 0.772 0.899 %
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A research center survey of 2,484 adults found that 1,942 had bought something online. Of these online shoppers, 1,295 are weekly online shoppers. Complete parts (a) through (c) below. a. Construct a 95% confidence interval estimate of the population proportion of adults who had bought something online. Sas (Round to four decimal places as needed.) led b. Construct a 95% confidence interval estimate of the population proportion of online shoppers who are weekly online shoppers. Sas (Round to four decimal places as needed.) c. How would the director of e-commerce sales for a company use the results of (a) and (b)? O A. Since a greater proportion of adults have purchased something online than are weekly online shoppers, the director of e-commerce sales may want to focus on those adults who have purchased something online. led O B. The information cannot be compared because it is derived from two different opinions. O C. Agreater proportion of adults have purchased something online, but…
In a survey of3313 adults aged 57 through 85 years, it was found that 88.6% of them used at least one prescription medication. a. How many of the 3313 subjects used at least one prescription medication? (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. (Round to one decimal place as needed.)
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In a poll of 515 human resource professionals, 45.8% said that body piercings and tattoos were big personal grooming red flags. Complete parts (a) through (d) below. a. Among the 515 human resource professionals who were surveyed, how many of them said that body piercings and tattoos were big personal grooming red flags? 236 (Round to the nearest integer as needed.) b. Construct a 99% confidence interval estimate of the proportion of all human resource professionals believing that body piercings and tattoos are big personal grooming red flags. Π (Round to three decimal places as needed.)

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