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An airport ventilation system takes 2.5 m^3/s air at 100 kpa, 17 C into a furnace, heats it to 52C, and delivers the flow to a duct with cross-sectional area 0.4 m^2 at 110 KPa. Find the mass flow rate and the velocity in the duct.
Statistics and Probability, Statistics
One? study, based on responses from 1,016 randomly selected? teenagers, concluded that 44?% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than h ...
Leibniz sells you an annuity that pays $1,500 every month from the end of September 2018 to the end of August 2022 with annual interest rate 7% compounded monthly. (round off all answers to two decimal places) (a) What i ...
1) If there are 150 values in a data set, how many classes should be created for a frequency histogram? A. 5 B. 6 C. 7 D. 8 E. 9 2) . If x is a binomial random variable where n = 100 and p = 0.2, find the probability th ...
A project has an initial outlay of $4,623. It has a single payoff at the end of year 3 of $8,869. What is the net present value (NPV) of the project if the company's cost of capital is 12.43 percent?
The stock of company TYK pays dividends annually, with next year's dividend expected to be $1 a share. For the next seven years, dividends are expected to grow at a rate of 6% a year. Thereafter, dividends are expected t ...
Shelton Inc has the following capital structure. Its corporate tax rate is 40%. Security Market Value Required Rate of Return Debt $10million 2%Preferred stock 20million 4 Common stock 50million 8 What is its WACC?
Describe the steps you took. There are 652 males, 396 say they have been to dentist in past year. Give a confidence interval for 90% of the population proportion .
Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year, of the 211,693 students who took the calcu ...
Vang Corp.'s stock price at the end of last year was $33.50 and its earnings per share for the year were $2.30. What was its P/E ratio?
The diameter of Ping Pong balls manufactured at a large factory are approximately normally distributed with a mean diameter of 1.30 inches and a standard deviation of .04 inches. Use Excel to calculate the probability of ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As