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(a) For those wells with detectible levels of MTBE, construct a histogram for the MTBE values. From the histogram, estimate the proportion of contaminated wells with MTBE values that exceed 5 micrograms per liter.
(b) Find the mean and standard deviation for the pH levels of the sampled wells, and construct the interval y¯ ± 2s. Estimate the percentage of wells with pH levels that fall within the interval. What rule did you apply to obtain the estimate? Explain.
(c) Find the mean and standard deviation for the MTBE levels of the sampled wells and construct the interval y¯ ± 2s. Estimate the percentage of wells with MTBE levels that fall within the interval. What rule did you apply to obtain the estimate? Explain. Dental Anxiety Scale. Psychology students at Wittenberg University completed the Dental Anxiety
Normal 0 false false false EN-US X-NONE X-NONE Suppose a firm's production..
the city of kiel issued 3000000 of 8 coupon 30-year semiannual payment tax-exempt municipal bonds 10 years ago. the
Suppose there are 2 types of individuals: a. "Type 1": PV of earnings with HS diploma :135. PV of earnings without diploma:100.
Jennifer spends all her income on two goods, X and Y. In Year 1, P X = $15 and PY = $24, and at her utility-maximizing equilibrium she bought 20X and 30Y.
the efficient frontier as described by Markowitz?
What is the long-run equilibrium market price and quantity and what is the long-run number of firms in the industry? How much does each produce? What are their profits?
An eminent labor economist found that the return to the investment in a Ph.D. in English is negative 10%, yet many people still pursue this degree. Is this irrational behaviour? How can you explain this in terms of human capital theory?
the u.s. government spends over 33 billion on its food stamp program to provide millions of americans with the means to
The average of 5 numbers is 52. Suppose five more numbers are included in the set of numbers and these five numbers equal 0, 100, 48, 90, and 50. What is the new average?
The following graph shows the short-run aggregate supply curve (), the aggregate demand curve (), and the long-run aggregate supply curve () for a hypothetical economy. Initially, the expected price level is equal to the actual price level, an..
If this bank wanted to insulate its balance sheet from interest rate changes, should they shift their liabilities towards fixed rate liabilities or rate sensitive liabilities? Briefly explain.
A country's long -run equilibrium price level has increased, but the position of its aggregate demand schedule has not changed. what has happened what specific factors might have accounted for this event
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