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- A sample of executives were surveyed about loyalty to their company. One of the questions was, “If you were given an offer by another company equal to or slightly better than your present position, would you remain with the company or take the other position?” The responses of the 200 executives in the survey were cross-classified with their length of service with the companyLoyaltyLength of ServiceTotalLess than 1 year1 -5 years6-10 yearsMore than 10 yearsWould Remain1030575120Would Not Remain2515103080Total354515105200If an executive is selected from company what is the probability that:an executive who had 1-5 years of service length, would remain in the company.A sample of executives were surveyed about loyalty to their company. One of the questions was, “If you were given an offer by another company equal to or slightly better than your present position, would you remain with the company or take the other position?” The responses of the 200 executives in the survey were cross-classified with their length of service with the companyLoyaltyLength of ServiceTotalLess than 1 year1 -5 years6-10 yearsMore than 10 yearsWould Remain1030575120Would Not Remain2515103080Total354515105200If an executive is selected from company what is the probability that:an executive who is loyal to the company (would remain), had 1-5 years of service length.A medical researcher says that less than 74%of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 600adults in that country, 71% think that healthy children should be required to be vaccinated. At α=0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H0 andHa. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) Fill the percentage on the correct answer A. % of adults in the country think that healthy children should be required to be vaccinated. B. Less than %of adults in the country think that healthy children should be required to be vaccinated. C. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %. D. More than…
- In a recent study, 50males used a new weight-loss supplement, and 38 of them experienced weight loss after two weeks. In the same study, 20 females used the same supplement, and 16of them experienced weight loss after two weeks.Fill in t he blanks below to make the most reasonable statement possible. The new weight-loss supplement was less effective on ▼(Choose one: males/females) in the study. That is because only ____% of them lost weight after two weeks, whereas ____% of the ▼(Choose one:males/females) lost weight after two weeks.Hypertension A national study found that treating people appropriately for high blood pressure reduced their overall mortality by 20%. Treating people adequately for hypertension has been dif- ficult because it is estimated that 50% of hypertensives do not know they have high blood pressure, 50% of those who do know are inadequately treated by their physicians, and 50% who are appropriately treated fail to follow this treat- ment by taking the right number of pills. 1 If the preceding 50% rates were each reduced to 40% by a massive education program, then what effect would this change have on the overall mortality rate among true hypertensives; that is, would the mortality rate decrease and, if so, what percentage of deaths among hypertensives could be prevented by the education program?(a)Consider a flight with a seating capacity of 160 seats. This flight is always full and there is a chance to be overbooked. The actual no-show rate (NSR) of the flight is 3.5% and the estimated NSR is 6.3%. If this flight is oversold according to the estimated NSR, what is the number of excess/extra passengers that will show up and there will be no seats for them on the day of departure? (b)Consider a flight with a seating capacity of 160 seats. This flight is always full and there is a chance to be overbooked. The actual no-show rate (NSR) of the flight is 3.5% and the estimated NSR is 6.3%. If the one-way fare of this flight is $300. If this flight is oversold according to the estimated NSR, what is the additional revenue that this flight will generate due to overbooking?
- Hypertension A national study found that treating people appropriately for high blood pressure reduced their overall mortality by 20%. Treating people adequately for hypertension has been dif- ficult because it is estimated that 50% of hypertensives do not know they have high blood pressure, 50% of those who do know are inadequately treated by their physicians, and 50% who are appropriately treated fail to follow this treat- ment by taking the right number of pills. 4.32 If the preceding 50% rates were each reduced to 40% by a massive education program, then what effect would this change have on the overall mortality rate among true hypertensives; that is, would the mortality rate decrease and, if so, what percentage of deaths among hypertensives could be prevented by the education program? The image shows a solution to the question above I did not understand how the first steps were solved. Please explain all the steps4). We have price-per-can information for independentsamples of two soup varieties. Assume thepopulations of prices each follow normaldistributions. Find the 99% CI for the differencebetween the two population means. Use df = 20,if needed. Then use the CI to conduct a NATDRCtest of the claim of no difference in the populationmeans. soup #1: n = 15, X-bar = 0.73, s = 0.05 (in $)soup #2: n = 24, X-bar = 0.91, s = 0.03it has been found that 1 out of every 10 visitors to a museum by something from the gift shop. if we randomly select a sample of 12 visitors to the museam what is the probaility that no more than three of the visitors will buy something from the gift shop? interpret your answer.