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A 1 gigawatt electrical power plant is 40% efficient.
(a) If coolant water flows through it at a rate of 2.16 x 105 m3/ hour, by how many degrees Celsius is the coolant water heated? (Waters specific heat is 4 186 Jikg and its density is 103 kg/m3 .)
(b) If the power plant uses evaporative cooling, how much water is evaporated per second? (It takes about 2.5 x 106 J to heat up and evaporate 1 kg of water.)
Determine the coefficient of determination for this regression problem and comment on its capability to predict outcome.
Devise and implement a sampling experiment for estimating the distribution of the minimum bid and expected value of the minimum bid.
On the same chart, produce a graph showing the original probability mass function, and a line graph showing your selected continuous probability density function.
a shipment of assorted nuts is labeled as 45 walnuts 20 hazelnuts 20 almonds and 15 pistachios by count. a random scoop
The investor would like to maximize the return on the investment, but the average risk index of the investment should not be higher than 6. How much should be invested in each stock? What is the average risk for this investment? What is the estima..
students who have completed a speed reading course have reading speeds that are normally distributed with a mean of 950
What is the probability, for any positive number z, that the x-coordinate of the point at which the line intersects the x-axis will be less than z?
Use the method of least squares to model the relationship between x and y.
A standard deviation of 1.00 degrees C. Find the probability that a randomly selected thermostat reads greater than -0.74 and draw a sketch of the region.
What is the probability that either of the company shows profit - What is the probability the family has all children of the same sexes
Given the following number of hours between breakdowns for 4 machines, are the machines significantly different? If so, how are they different? Which machine is the best? Which machine is the worst?
To illustrate that the mean of a random sample is an unbiased estimate ofthe population mean, consider five slips of paper numbered 3, 6, 9, 15, and 27
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