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A group of four components is known to contain two defectives. An inspector tests the components one at a time until the two defectives are located. Once she locates the two defectives, she stops testing, but the second defective is tested to ensure accuracy. Let Y denote the number of the test on which the second defective is found. Find the probability distribution for Y .
Find the ft required for internally compensated op amps to be used in the implementation of closed-loop amplifiers with the following nominal dc gains and 3-dB bandwidths:
a company that produces a particular machine component has 3 factories one each in buffalo detroit and pittsburgh. 27
Let X1, ... , Xn depict a random sample drawn from the probability density function f (x; θ) = θxθ -1,0 x 1, θ > 0. Find the minimum variance bound for an unbiased estimator of θ .
for a medical study a researcher wishes to select people in the middle 60 of the populartion based on blood pressure.
The num- ber of cases of peripheral neuropathy among a control group of 35 diabetic patients was 12. Among a group of 11 patients who were taking an oral agent to prevent hyperglycemia, there were three cases of peripheral neu- ropathy. Is the pro..
a medical research team studied the number of head and neck injuries sustained by hockey players. of the 319 players
the irs was interested in the number of individual tax forms prepared by small accounting firms. the irs randomly
A farmer has 40m of fencing with which to enclose a rectangular pen.Given that the pen is x m wide - show that it's area is (20x - x^2)m^2 and deduce that the maximum area that he can enclose (Answer given 100m^2).
The manufacturer of a coffee dispensing machine claims the ounces per cup is normally distributed with population mean equal to 8 ounces and standard deviation equal to 0.9 ounces. If 50 cups of coffee were measured, what is the probability that.
Assuming that a plane make a safe flight if at least one-half of its engines run, determine whether a 4-engine plane or 2-engine plane has the higher probability for a successful flight.
In a group of six professors selected at random, what is the expected number of extroverts? What is the standard deviation of the distribution?
suppose that pa 0.4 and pacapb 0.12a find pbab are the events a and b mutually exclusive?if pb 0.3 are events a and
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