Marginal density of conditional density
Suppose a point (X,Y) is chosen at random from the disk x^2 + y^2 is less than and equal to 1. Find the a) marginal density of X and b) the conditional density of Y given X = x.
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A stone thrown horizontally from a height of 5.92 m hits the ground at a distance of 13.50 m. Calculate the speed of the stone as it hits the ground. Neglect air resistance.
Future Electronics makes CD Players. Its research department found that the life of the laser beam device is normally distributed, with mean 5000 hours and standard deviation 450 hours.
Students will construct a well-diversified portfolio using an initial investment stake of $50,000 (the portfolio should use 95% of the fund, but they may not use more than $50,000).
Suppose we draw 13 cards out of a deck of 52. What is the expected value of the number of aces we get?
Predict one major change in the U.S. financial environment that may likely occur within the next five years, indicating its impact to the economy and businesses.
Describe the difference in economic profit between a competitive firm and a monopolist in both the short and long run? Which should take longer to reach long-run equilibrium.
A 11µ F capacitor is joined in series with a 35µ F capacitor and a 12 Volts battery. A) What is the potential difference across the first capacitor?
Samples were collected from two ponds in the Bahamas to compare salinity values (in parts per thousand). Several samples were drawn at each site.
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