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- Suppose a group of consumers spend 30% of their disposable income on food, 20% on clothing, and 50% on rent. If over the course of a year the price of food rises 10%, the price of clothing drops 5% and rent rises 15%, what is the average price increase experienced by these consumers?Suppose that you would like to create composite indexes from three stocks: stk1, stk2, stk3. Their stock prices (Pt) and total shares outstanding (Qt) from day 0 to day 1 are shown as follows: stk3 splits two-for-one in day 1. P0 Q0 P1 Q1 stk1 40 250 50 250 stk2 50 100 50 100 stk3 60 150 50 300 Which answer is the closest value to the rate of return on a price-weighted index of the three stocks? A. 20% B. 25% C. 30% D. 35%if in a 2 party race, party 1 is leading in the age category 45 years and under by 10% and that category represents 60% of the electorate and party #2 is leading in the over 45 years by 10% and that category represents 40% of the electorate. Show in percentage the deficit that party 2 needs to make up.
- A life insurance company has 1,500 policies averaging Rs. 2,000 on lives at the age 30. From the past experience, it is found that out of 1,00,000 alive at the age of 30; while 99,000 are alive at age 3 Find the lower and the upper value of the amount that the company will have to payout in insurance during the year.If my bus is 3.5 years old, what are the projected annual maintenance costs? (Enter a whole number) Age of Bus(years)Annual Maintenance Cost($)2.4 3502.3 3702.4 4803.1 5203 5905.8 5504.8 7503.8 8003.6 7904.9 9505.5 915How to calculate Samsung’s cost (C(Q)) of producing 1,2,...15
- Suppose that a company has determined that a 70% experience curve accurately describes the evolution of its production costs for a new line. If the first unit costs $100 to produce, what should the 1,000th unit cost based on the experience curve?A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant. Historical records show that 6% of the employees suffered lost-time accidents last year. Management believes that a special safety program will reduce such accidents to 4% during the current year. In addition, it estimates that 15% of employees who had lost-time accidents last year will experience a lost-time accident during the current year. a. What percentage of the employees will experience lost-time accidents in both years (to 2 decimals)? % b. What percentage of the employees will suffer at least one lost-time accident over the two-year period (to 2 decimals)?The following table shows the average monthly distance traveled (in billion miles) by vehicles on urban highways for five different years. Urban Highways - Average Monthly Distance Traveled by Vehicles (Billion Miles) Years Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Year 1 4.22 5.32 5.21 5.12 4.92 4.49 4.55 4.49 4.44 4.39 4.37 4.35 Year 2 4.31 5.44 5.34 5.24 4.98 4.59 4.68 4.65 4.61 4.68 4.74 4.79 Year 3 4.38 5.51 5.41 5.36 4.98 4.63 4.71 4.78 4.82 4.88 4.85 4.89 Year 4 4.45 5.59 5.5 5.41 5.01 4.72 4.78 4.79 4.82 4.92 5.06 5.11 Year 5 4.51 5.65 5.62 5.49 5.12 4.8 4.88 4.82 4.95 5.12 5.22 5.44 a. Construct a time series plot. What type of pattern exists in the data?
- If the national economy shrank at an annual rate of 6% per year for three consecutive years, then the economy shrank by 18% over the three-year period. The statement is false because each year is a different reference value. The economy actually shrank ____ % over the three-year period.Suppose that we identify 155 women 50 to 54 years of age who have both a mother and a sister with a history of breast cancer. 18 of these women themselves have developed breast cancer at some time in their lives. If we assume that the proportion of breast cancer cases in women whose mothers have had breast cancer is 8%, does having a sister with the disease increase the risk? Find the p-value.1) If the sum of the squares of five numbers is 165 and their variance is 8. What is the mean of numbers? 2) A man invested 1000 Pesos per month on a bank that offers 6% interest compounded annually. How much can he get after 5 years? 3) A vessel is in a form of an inverted regular square pyramid of altitude 250 mm and base edge 160 mm. The depth of the water contains is 150mm. How much will the surface area rise when 0.5L of water is added.