The correlation between "trust in the government to take care of its citizens" and worry about one's own "health" is not signficant.
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- Suppose you are the master of the mint. If you sample 200 coins and the king has set the error tolerance at 1 ounce for individual coins, and each coin should weight 1 ounce. What is the error in the sum of the 200 coins. Round to two places.What is the average NO3- concentration at the upslope site (3 decimal places)? What is the average NO3- concentration at the downslope site ( 3 decimal places)? Given the EPA drinking water quality standard is 10 mg/L of nitrate, is the upslope site safe to drink based only on nitrate content? (Enter yes or no) Is the downslope site safe to drink, based only on NO3- concentration? (Enter yes or no) Assuming the two sites are hydrologically well connected, the transit time between the two sites is fast, and the two sites cannot be treated as independent samples, what kind of t-test should be performed to show that the upslope site is greater than the downslope site? Enter the letter of your answer choice in the answer blank A. one-tailed unpaired t-testB. two-tailed unpaired t-testC. one-tailed paired t-testD. two-tailed paired t-test What is the calculated t statistic, rounded to 4 decimal places? Is the calculated t statistic greater or less than the critical t value reported by…The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 38 who smoke. Step 1 of 2: Suppose a sample of 273 Americans over 38 is drawn. Of these people, 79 smoke. Using the data, estimate the proportion of Americans over 38 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places. Step 2 of 2: Suppose a sample of 273 Americans over 38 is drawn. Of these people, 79 smoke. Using the data, construct the 85% confidence interval for the population proportion of Americans over 38 who smoke. Round your answers to three decimal places. Lower end point, upper end point
- A machine shop has an order for 12,000 pcs. of a machine part that requires anti-corrosive properties. Chromium steel alloy that cost Php 95.00/ kg or Nickel steel alloy that cost Php 85.00 /kg may be used. The weight per piece, production per day and tool bit replacement cost for Cr-alloy are: 0.25 kg, 75 pcs and Php 1,600 every 400 pcs. Produced. The respective date for Ni-alloy are 0.3 kg, 50 pcs. And Php 1,800.00 for every 300 pcs. produced. If the charge for the labor and other operating cost is Php 450.00/day with all other expenses being the same, determine which material should be used.Kolkmeyer Manufacturing Company is considering adding two machines to its manufacturing operation. This addition will bring the number of machines to ten. The president of Kolkmeyer asked for a study of the need to add a second employee to the repair operation. The arrival rate is 0.04 machines per hour for each machine, and the service rate for each individual assigned to the repair operation is 0.4 machines per hour. Compute the operating characteristics if the company retains the single-employee repair operation. If required, round your answers to four decimal places. P0 = Lq = L = Wq = hours W = hours Compute the operating characteristics if a second employee is added to the machine repair operation. If required, round your answers to four decimal places. P0 = Lq = L = Wq = hours W = hours Each employee…Engr. Dacara is given a load to teach Work Study and Measurement to his IE class. During the first meeting of the semester, he targeted to deliver a total of 54 home activities will be allocated for each student enrolled to accomplish the 18-week semester from February to June. a. How many home activities should each student finish per week to meet the deadline? b. Due to delays on enrollment and other factors, 33.33% of the semester time was lost. What will be the new set-up for each student to finish to meet the deadline?
- One of your duties is the selection and disposal of boxes of obsolete files. According to regulations, ordinary files become obsolete after 24 months, confidential files after 36 months and classified files after 48 months. Which of the following boxes of files can be disposed of: A box containing ordinary files dated 26 months ago and classified files dated 34 months ago. A box containing ordinary files dated 38 months ago and confidential files dated 28 months ago.We wish to demonstrate that the average time to graduate from Tulane is affected by the students having taken AP calculus in high school. Specially, we wish to demonstrate that students who have taken AP calculus in high school graduate an average of more than 0.25 years sooner than students who have not taken AP calculus in high school. If we let denote the average time to graduate for students who have not taken AP calculus and denotes the average time to graduate for students who have taken AP calculus, then select the appropriate alternative hypothesis.With the knownledge of numerical analysis,The bus stages along jinja-Kampala Roadare 10km part. Anexpress bus travelling between the two towns only stops at these stages except incase of emergency when it is permitted tostop at a point in between the two stages. The fares up to the first, second, thirdand fourth stages from Jinja are shs.110,shs. 150,shs .185 and shs .200 respectively. On certain day apassenger paid to travel from Jinja in the bus up to the fourth stage but fell sick and had to be left at a health center 33kms away from Jinja. Given that he was refundedmoney for part of the journey he had, findthe approximate amount he received.Another person had only shs. 165 was allowed to board the bs but be left at a point worth his money. How far from Jinja was he to be left?
- The mean ±1 sd of ln [calcium intake (mg)] among 25 females, 12 to 14 years of age, below the poverty level is 6.56 ± 0.64. Similarly, the mean ± 1 sd of ln [calcium intake (mg)] among 40 females, 12 to 14 years of age, above the poverty level is 6.80 ± 0.76. *8.7 Suppose an equal number of 12- to 14-year-old girls below and above the poverty level are recruited to studydifferences in calcium intake. How many girls should be recruited to have an 80% chance of detecting a significant difference using a two-sided test with α = .05? *8.8 Answer Problem 8.7 if a one-sided rather than a twosided test is used. *8.9 Using a two-sided test with α = .05, answer Problem 8.7, anticipating that two girls above the poverty level will be recruited for every one girl below the poverty level who is recruited.There are 5000 observations in a data set. 10% of the data are “1”s, while the rest are “0”s. If we oversample “1”s to 50%, how many data points will be excluded from the analysis? Assume that the original percentages of “1” and “0” are restored in the validation data. Show all calculations.In a geographical location with a mid-year population of 1,000,000 (1 million) there were 1125 deaths during an entire year due to all causes combined.Out of those 1125 deaths, 185 deaths were due to causes related to pregnancy and 165 deaths were among children less than one-year old. There were 650 live births that year in that location. Please select the correct option(s) from the following. a. The maternal mortality ratio was 25 per 100 live births b. Infant mortality was 17 per 100,000live births c. The infant mortality was 254 per 1,000 live births d. The maternal mortality was 285 per 1,000 live births