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I would like some assistance with the following probability distrution and inference for mean and population exercise I would like detailed explanation as well 26.
I would like some assistance with the following probability distrution and inference for mean and population exercise
I would like detailed explanation as well
26. Managers of a local supermarket in the Kingston and St. Andrew area have realized that its customer base has declined substantially.r in the past three months. a primary data b categorical data cdiscrete data d secondary' data e- quantitative data f continuous data 27. The Covid-19 Pandemic has had a severe negative impact on the world economy. A random sample of 430 vacationers in a hotel on the north coast were tested positive for Covid-19 of which 97 of them had the Covid-19 virus while the remainder did not. At the 90% confidence level, what are the critical value, margin of error, and conclusion respectively of the true population proportion of vacationers who had the virus at the hotel on the north coast? A-1.645, 3.32%. We are 90% confident that the percentage of vacationers who had the virus at the hotel on the north coast in the sample is between 19.24% and 25.88% B - 1.960, 3.96%. We are 90% confident that the percentage of vacationers who had the virus at the hotel on the north coast in the population is between 18.64% and 26.56% C - 1.645, 3.32%. We are 90% confident that the percentage of vacationers who had the virus at the hotel on the north coast in the population is between 19.24% and 25.88% D - 2.576, 5.2%. We are 90% confident that the percentage of vacationers who had the virus at the hotel on the north coast in the population is between 17.46% and 27.76% E - 1.96, 3.96%. We are 90% confident that the percentage of vacationers who had the virus at the hotel on the north coast in the sample is between 18.64% and 26.56% F- 2.576, 5.2%. We are 90% confident that the percentage of vacationers who had the virus at the hotel on the north coast in the sample is between 17.46% and 27.76%28. Superior Auto believes that less than 60% of the residents in Newport own a vehicle. A sale manager disagrees with this claim. She surveys 250 residents and find that 170 them own vehicles. The test statistic is 2.53. What is the pvalue associated with the test statistics? ADDOS? 3-0.1753 (3-0235? D-0.0943 EO.9943 29. Government authorities in Jamaica are curious to know much money people in rural areas spend each month on the internet. Theyr gather the following data from 12,000 people in rural areas around the nation. Amount Spent, Service Provider, Level of Service Satisfaction, Number of Household Members, Number of Used Devices, Resident Parish. AIAN is the ideal graph to depict Parish of residence. ABoxplot BStem and Leaf C-Histogram D-Bar Graph E More than cumulative frequency 30. In Jamaica the Covid-19 virus vaccine has finally arrived. The amount that are administered daily to healthcare and essential workers registered at a facility is normally distributed with a mean of 160 and a variance of 900. From a sample of 6 on average 140 healthcare and essential workers are vaccinated daily. The upper limit for a 95% confidence interval is? A-174.3766 B-171.6494 C-164.0050 D-160.1471Step by Step Solution
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