Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 99% confidence interval. 258 218 193 162 160 159 150 150 150 145
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Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest
celebrities in a country. Construct a 99% confidence interval.
258 218 193 162 160 159 150 150 150 145
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- The number ofunhealthy days based on the AQI (Air Quality Index)for a random sample of metropolitan areas is shown.Construct a 90% confidence interval based on the data.60 12 5 42 24 36 94 6 15 43Suppose that 18% of a random sample of 2307 Miami residents said that they will donate blood in 2021. Use a 90% Confidence Level to find a Confidence Interval for the proportion of all Miami residents who will donate blood in 2021? The decimals in your answer must be rounded to three decimal places. O A. (0.167, 0.193) O B. (0.186, 0.201) O C. (0.164, 0.196) O D. (0.192, 0.211)Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 250 194 192 174 166 155 146 146 146 141
- Create a 99% confidence interval for the data set below. 64 61 54 70 60 56 64 59 55 61 59 [three decimal accuracy] [three decimal accuracy]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.Kit and Casey are each attempting to estimate the proportion of college students who can play at least one musical instrument. They each survey a different random sample of college students, and in each sample, the proportion who can play at least one musical instrument is 0.35. Kit and Casey each use their sample data to construct a confidence interval. Kit's interval is from 0.308 to 0.372 and Casey's interval is from 0.318 to 0.382. One of these intervals was computed correctly, but the other was not. Which interval must be incorrect? O Kit's interval must be incorrect. O It's impossible to answer this question without knowing the sample sizes. O It's impossible to answer this question without knowing the sample sizes or the level of confidence used for each interval. O Casey's interval must be incorrect. O It's impossible to answer this question without knowing the level of confidence used for each interval.
- 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 %Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 178 162 161 241 206 158 .….. OB. We are confident that 95% of all celebrities have a net worth between $ million and $ million. (Round to one decimal place as needed.) example Get more help. 153 What is the confidence interval estimate of the population mean μ? $122.1 millionListed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% confidence interval. What does the result tell us about the population of all celebrities? 246 190 190 167 163 157 What is the confidence interval estimate of the population mean u? $ million <μ<$ million (Round to one decimal place as needed.) 154 154 149 149Listed below are the amounts of net worth in millions of the 10 wealthiest celebrities in a certain country. Construct a 90% confidence interval. What does the result tell us about the population of all the celebrities? Does the data appear to be from a normally distributed population as required? 247 208 196 173 166 161 148 148 143 143Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported measure of visitor volume and visitor activity (Orlando Sentinel, May 19, 2018). Hotel occupancy data for February in two consecutive years are as follows, current year previous year occupied rooms 1470 1458 total rooms 1750 1800 a)What is the 95% confidence interval estimate of the change in occupancy for the one-year period? b)Do you think officials will be pleased with the results? c) Using a 0.05 level of significance, test the hypothesis that there has been an increase in the proportion of rooms occupied over the one-year period.Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 99% confidence interval. 254 199 192 169 163 158 158 158 158 158 What is the confidence interval estimate of the population mean u?SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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