A random sample of 18 health maintenance organizations (HMOS) was selected. For each HMO, the co-payment (in dollars) for a doctor's office visit wasrecorded. The results are as follows.54, 45, 53, 47, 31, 32, 38, 39, 36, 34, 33, 42, 49, 35, 49, 38, 50, 35Send data to calculatorSend data to ExcelUnder the assumption that co-payment amounts are normally distributed, find a 90% confidence interval for the mean co-payment amount in dollars. Give thelower limit and upper limit of the 90% confidence interval.Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.)Lower limit: UUpper limit:

54,45,53,47,31,32,38,39,36,34,33,42,49,35,49,38,50,35 Now we will find sample mean standard…

Answered: A random sample of 18 health…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Official unemployment rates for the U.S. population are reportedon a monthly basis by the Bureau of Labor Statistics.For the period October, 2011, through January, 2012, theofficial unemployment rates were 8.9% (Oct.), 8.7% (Nov.),8.5% (Dec.), and 8.3% (Jan.). (Source: U.S. Bureau of LaborStatistics, www.bls.gov.) If the unemployment rateswere to continue to decrease following a linear model,(a) predict the unemployment rate on January, 2013.(b) predict when the United States would reach a zero unemploymentrate.
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A ski resort pays its part-time seasonal employees on an hourly basis. At a certain mountain, the hourly rates have a norma distribution with o = $8.00. If 29 percent of all part-time seasonal employees make more than $16.94 an hour, what is the average hourly pay rate at th mountain? (Round your answer to 2 declmal places.) Average hourly pay rate
The state population is recorded as 1,200,000. There were 60,250 total deaths for the year. There were 615 confirmed cases of Hepatitis A were reported to the state health department of which 30 died. What was the cause-specific death rate for the year? Hint: Take the case specific deaths divided into the total state population. Make sure to include the % sign.
Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.
The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the eighth grade level. Step 1 of 2: Suppose a sample of 333 tenth graders is drawn. Of the students sampled, 260 read above the eighth grade level. Using the data, estimate the proportion of tenth graders reading at or below the eighth grade level. Enter your answer as a fraction or a decimal number rounded to three decimal places. Step 2 of 2: Suppose a sample of 333 tenth graders is drawn. Of the students sampled, 260 read above the eighth grade level. Using the data, construct the 80% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level. Round your answers to three decimal places.
There are 150 flights expected to take off or land within one day at the planned Pickering airport. If 92% of the flights are expected to be on time, how many flights are unlikely to be on time?
3. SJS Company has been selling to retail customers in the Metro Manila area. It advertises extensively on radio, print ads, and the Internet. The owner would like to review the relationship between the amount spent on advertising expenses (in Php000s) and sales (in Php000s). Below is the information on advertising expenses and sales for the last nine (9) months of 2019. Month April May June July Aug Sept Oct Nov Dec Advertising Expense Sales 10 14 12 13 15 8 13 16 180 170 190 220 235 208 215 175 250 Revenue a. Find the coefficient of correlation. b. Create a scatter diagram based on the data.
The table below shows the results of a survey in which 142 male and 145 female workers ages 25 to 64 were asked if they had at least one month's income set aside of emergencies.

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