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- The FiveThirtyEight website did a survey of people about their attitudes about the pandemic and their worries about the economy. The survey was of 1123 people, and each was asked two questions: “Are you concerned about the pandemic?” and “Are you concerned for the economy?” The results are tallied below in the table. Economy is concerning Economy is NOT concerning Pandemic is concerning 172 220 Pandemic is NOT concerning 321 410 Do you feel that people are no more worried about the economy in the US than they are the coronavirus? Explain the solution.The top 15 2018 Congressional race contenders (out of 24) in NJ who raised the most money reported the following amounts of funds raised for their campaigns (in millions): 7.0, 1.2, 6.4, 5.4, 2.1, 4.4, 2.9, 2.3, 1.75, 1.6, 1.5, 1.5, 1.4, 1.1, 0.8 a) What are the Sample Mean, Median, and Mode(s)? b) What is the sample standard Deviation? c) What is the Interval that is 2 Standard Deviations above/below the Mean? (Use 2 decimal places)You may need to use the appropriate appendix table or technology to answer this question. Last year, 52% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicates that 40% plan to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 80 business owners. (a) How many business owners in the survey plan to provide a holiday gift to their employees this year? 32 business owners (b) Suppose the business owners in the sample did as they plan. Compute the p-value for a hypothesis test that can be used to determine if the proportion of business owners providing holiday gifts has decreased from last year. Find the value of the test statistic. (Round your answer to two decimal places.) 2.15 Find the p-value. (Round your answer to four decimal places.) p-value = 0.0158 (c) Using a 0.05 level of significance, would you conclude that the proportion of business owners providing gifts decreased? O…
- Your place of employment is trying to determine whether to allow its employees to work from home for2 days a week. Knowing that you’ve previously taken a statistics course, your boss asks you to “figure itout”. You create a survey to gauge employee interest in this area.1. Formerly, your place of employment has tried to give surveys to everyone, a census, but only a fewpeople responded to the email. Your new plan is to randomly choose some employees and administerthe survey yourself. You put everyone’s name on a numbered list and randomly choose numbers untilyou have your sample. What form of sampling is being described here?2. Suppose you want to estimate the percentage of employees who want to work from home. Doingsome research on the internet, you find a recent study that found that 72% of employees prefer a hybridremote-office model. Using that value as your sample proportion, ?̂, estimate how many people youwould need to survey in order to estimate the percentage in your company…coronary bypass surgery: the agency for Healthcare research and quality reported that 53% of people who had coronary bypass surgery in a recent year were over the age of 65. fifteen coronary bypass patients are sampled. would it be unusual if all of them were over the age of 65. Need the answer in excel binom.dist.range.A sample of 120 employees of a company is selected, and the average age is 37 is an example of . Survey responses of "good, better, best" is an example of . A tax auditor selects every 1000th income tax return to audit is an example of . The number of floors in a building is an example of
- You may need to use the appropriate appendix table or technology to answer this question. Last year, 41% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicates that 30% plan to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 80 business owners. (a) How many business owners in the survey plan to provide a holiday gift to their employees this year? _______business owners (b) Suppose the business owners in the sample did as they plan. Compute the p-value for a hypothesis test that can be used to determine if the proportion of business owners providing holiday gifts has decreased from last year. Find the value of the test statistic. (Round your answer to two decimal places.) __________ Find the p-value. (Round your answer to four decimal places.) p-value =_____________ (c) Using a 0.05 level of significance, would you conclude that the proportion of business owners…PrintTech, Inc. is introducing a new line of ink-jet printers and would like to promote the number of pages a user can expect from print cartridge. A sample of 10 cartridges revealed the following number of pages printed. (Use tDistribution Table.) 2,814 3,120 2,479 2,557 2,572 2,412 2,593 2,482 3,798 2,412 picture Click here for the Excel Data File a. What is the point estimate of the population mean? (Round your answer to 2 decimal places.) Estimated population mean b. Develop a 95% confidence interval for the population mean. (Round your answers to 2 decimal places.) Confidence interval for the population mean is and betweenTEXTING WHILE DRIVING USA Today reported results from an Arity survey in which 2018 drivers were asked if they text while driving . a . Among the respondents , 42 % said that they text while driving . What is the exact value that is 42 % of the number of respondents ? b . Could the result from part ( a ) be the actual number of respondents who said that they text while driving ? Why or why not ? c . What is the actual number of respondents who said that they text while driving ? d . What do the results suggest about highway safety?