1. The following table shows three age-groups of boys and girls, (a) the number of children affected by a non-infectious disease, and (b) the total number of children exposed to risk. Вoys Giris II III I II III (a) 60 25 48 96 18 42 (b) 240 470 350 530 200 210 (i) Test whether there are differences between the incidence rates in the three age-groups of boys. (ii) Test whether the boys and girls are equally susceptible or not.
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- 1-4 Answered, need 5-7Here are mortality rates for brooklyn neighbourhoods for 2012, the number of deaths, crude rates, age adjusted rates. The age adjutment is done directly against a standard population. How do you explain Bushwick and Coney islands. Crown heights South and East Flatbush adjusted rates are similar to their crude rates, what does this mean? BROOKLYN NEIGHBOURHOODS DEATHS 2012 UNADJUSTED RATE AGE-ADJUSTED RATE Williamsburg, Greenpoint (01) 807 4.6 6.1 Fort Green, Brooklyn Heights (02) 621 6.1 6.6 Bedford Stuyvesant (03) 951 6.2 7.6 Bushwick (04) 471 4.1 6 East New York (05) 1,059 5.8 6.7 Park Slope (06) 503 4.7 5.8 Sunset Park (07) 508 4 5.3 Crown Heights North (08) 571 5.9 6.6 Crown Heights South (09) 555 5.6 5.6 Bay Ridge (10) 903 6.6 5.5 Bensonhurst (11) 1,215 6.2 5 Borough Park (12) 946 4.8 5.1 Coney Island (13) 1,163 11 6.5 Flatbush, Midwood…In the days when the epidemic started, the price of the mask, which is normally $ 0.25 , has climbed up to $ 8 in the market. In this period, on average, a mask found buyers in the market for $ 4.Mask supply and demand functions:Qd = a - bPQs = -c + dPQd = QsLet's assume that it is. Here you can choose the numerical values of the a, b, c, d parameters to solve the problem. When making solutions, use them parametrically. a)Using the above information, plot the supply and demand functions for the mask market. Show consumer and producer surplus values on the chart. b)If the mask price is $ 6, write the consumer and producer residual value using the integral. (calculation is not required.) c)The Ministry of Health has announced the mask price as $ 1. According to this explanation, write the residual value of the producer and consumer using Integral. (calculation is not required)
- The number of sick days taken (per month) by 200 factory workers is summarized below. Number of Days Frequency 0-5 120 6-10 65 11-15 14 16-20 1. The number of workers who took at least 11 sick days per month?What are some of the metrics economists use to measure health outcomes?1. The table below presents hypothetical OLS results with used small SUV price information (in dollars) as the dependent variable. Assume that the model is correctly specified and a significance level (p-value) of 0.05. Variable Coefficient P-Value Constant 10,000 0.001 SUV is in Good Condition (GC) 1,000 0.030 SUV is Green (GRN) 500 0.040 Miles on the SUV (MGE) -0.005 0.019 Age of the SUV (AGE) -200 0.007 SUV has a Sunroof (SUN) 400 0.045 The number of miles on the SUV and the age in years of the SUV are continuous variables. The rest of the variables are dummy variables. a. Write the predictive equation for the price of small used SUVs in this market. b. According to this model, what is the predicted price of a 6 year old blue SUV in poor condition with 80,000 miles on it and no sunroof? c. According to this model, what is the predicted price of an 8 year old green SUV in good condition with only 30,000 miles on it and a sunroof?
- The frequency of breakdown of a machine per month is shown in the table. The cost ofa breakdown is $1,000 and the cost of preventive maintenance is $1,250 per month. Ifpreventive maintenance is performed, the probability of a machine breakdown is negligible. Should the manager use preventive maintenance, or would it be cheaper to repair themachine when it breaks down?Number of breakdowns 0 1 2 3Frequency of occurrence .20 .30 .40 .106. Determine whether it's true or false. plsPlease assist wirh question d and e
- A reflecting telescope has a parabolic mirror for which the distance from the vertex to the focus is 34 feet. If the distance across the top of the mirror is 70 inches how deep is the mirror in the center? A) 1225/19584 in. B) 289/35 in. C) 1225/1632 in. D) 1225/136 in. Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations. x = t^3 + 1, y = t^3 - 15; -2 lessthanorequalto t lessthanorequalto 2 A) y = x - 16; -7 lessthanorequalto x lessthanorequalto 9 B. y = -x^2; -4 lessthanorequalto x lessthanorequalto 4 C) y = -x - 16; -7 lessthanorequalto x lessthanorequalto 9 D) y = x^3; -3 lessthanorequalto x lessthanorequalto 1 Solve the problem. Round to the nearest if needed. To save for retirement, you decide to deposit $2000 into an IRA at the end of each year for the next 40 years. If the interest rate is 9% per year compounded annually, find the value of the IRA after 40 years. A) $60, 819 B) $24, 330, 719 C) $675, 765 D) $618, 133…Please no written by hand solutions You need to hire some new employees to staff your startup venture. You know that potential employees are distributed throughout the population as follows, but you can't distinguish among them: Employee ValueProbability$55,0000.1$64,0000.1$73,0000.1$82,0000.1$91,0000.1$100,0000.1$109,0000.1$118,0000.1$127,0000.1$136,0000.1 The expected value of hiring one employee is ? Suppose you set the salary of the position equal to the expected value of an employee. Assume that employees will not work for a salary below their employee value. The expected value of an employee who would apply for the position, at this salary, is ? Given this adverse selection, your most reasonable salary offer (that ensures you do not lose money) is ? .need help on 22-24