Numerade

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Using the following annual returns, calculate the estimates of the arithmetic mean returns, the variances, and the standard deviations for assets X and Y . Also calculate the estimates of the covariance and correlation between X and Y . These five years are a sample of the entire population of returns for X and Y . A stock has had returns over the past six years of 29%,14%,33%,-18%,9%, and -16%. What was its arithmetic mean and geometric mean returns over that period? What was the standard deviation of its returns over this six-year period? Show the math formula and the excel equation for both problems.

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The motor in the circuit fails to run when SW1 is closed. The following voltages are measured while SW1 is in the closed position. Between A and C: 12 volts Between B and C: 0 volts Between A and D : 12 volts What conclusion can be made? SW1 is making contact when closed The relay coil is continuous The K1a relay contact is open All of the above

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1. n-Pentane at 45 bar and $ 220^{\circ} \mathrm{C} $ passes through a throttling valve and heat exchanger and emerges at 15 bar and $ 180^{\circ} \mathrm{C} $. Assuming that n-pentane obeys the Peng-Robinson equation, compute the flow of heat into the heat exchanger per mole n-pentane. If you desire a reference state, please, use vapor at $ 315 \mathrm{~K}, 0.103 \mathrm{MPa} $ and provide the enthalpy departure at the reference state. 2. Use the PREOS excel sheet to calculate the vapor pressures of propane in the range from 130 K to 350 K (for at least 12 points) and compare them to the values determined by the Antoine equation. Indicate where the data is extrapolated. 3. A gas is to be compressed in a steady-state flow reversible isothermal compressor. Inlet temperature and pressure are 300 K and 1.1 MPa . The outlet state of the fluid is 28 MPa . The following equation of state describes the fluid:

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If a scale shows that an individual has a mass of 68kg, what is that individual's weight?2. What is the mass of an object weighing 1200N?

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Find the derivative of the function given below. w(x) = 7 tan(x^6) \frac{dw}{dx} =

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Golden's bakery is known for its famous Filipino delicacies. Among these foods which is a native delicious food called "kakanin" is a "leche puto". The bakeshop owner recorded the number of boxes of "leche puto" that were delivered each day. The number of boxes delivered for 10 days is shown below \begin{tabular}{|l|l|} \multicolumn{1}{|c|}{ Day } & \begin{tabular}{c} Number of \\ Bores(X) \end{tabular} \\ \hline 1 & 35 \\ \hline 2 & 37 \\ \hline 3 & 50 \\ \hline 4 & 45 \\ \hline 5 & 37 \\ \hline 6 & 45 \\ \hline 7 & 40 \\ \hline 8 & 42 \\ \hline 9 & 45 \\ \hline 10 & 42 \\ \hline \end{tabular} c. What is the probability that at most 40 boxes will be delivered on a particular day? d Find $ P(X \leq 45) $ c. Find $ P(40)+P(50) $

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Which of the following best describes a postmodern position on the issue of knowledge? The truth of the universe is easy for anyone to find if they simply use their God-given senses. The truth of the universe is real and objective, but can be difficult to find so we have to be very skeptical and rely upon scientific methods. Truth is an effect of power - most of what we call truth is just a perspective, which is rhetorically converted into facts. All of the above. None of the above.

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Assume the following to be a portion of the simplified balance of payments statement for a hypothetical country. The values are given in billions of dollars. Exports $400 Imports -$300 Capital Outflows -$100 Capital Inflows $60 If the central bank has not changed its holding of foreign-currency reserves during this period, then the capital-service account for this country should be equal to $ billion

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Determine the direction of the magnetic force in each case. (c) (d) c) Left d) Right c) Out of the page d) Upward c) Into the page d) Upward c) Out of the page d) Downward

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A line's equation is given in point-slope form: $y - 18 = \left( -\frac{7}{2} \right)(x + 4)$ This line's slope is A point on this line that is apparent from the given equation is

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michael p.