Determine the expected value if raffle tickets are sold
One thousand raffle tickets are sold for $2.00 each. One grand prize of $700 and two prizes of $100 each will be awarded. Tim buys one ticket. Determine the expected value.
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Every day adding $1000 to amount on previous day, that offer must they take? How much would they make under every arrangement? You should verify the conclusions mathematically.
Assume that X^2 has a chi^2 distribution with 6 degrees of freedom. Find out P(X^2 > 4.3) and determine the value of A such that P(X^2 > A) = 0.11.
Determine and equation of form y = asinwt which provides distance of the mass from its rest position as the function of time.
Let X follow a unifor distribution U(0,2) and let conditional distribution of Y given X = x be U(0,x2). Determine the conditional expectation of Y given X = x?
Of the 25 animals at animal shelter, 15 are dogs. Two animals are selected at random. Determine exact odds that both are dogs?
Let the continuous random variables X and Y follow a bivariate normal distribution with parameters. μx=3, μy = 1, σ2x=16, σ2y=4 and ρ=1/2. Find the probability that X falls between 1 and 4 given that Y equals 2.
A new chairman wants the 5 labor unions to take a wage cute. Assume there is a .7 probability that a union will reject a wage cut and that the decisions are independent of each other. Determine the probability that
Draw the graph of function f(x)= 2 cos 3x over interval (0, 2π) and find points where function reaches its local maximum and local minimum within above interval.
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