Independent exponential random variables
Let X and Y be independent exponential random variables with means 2 and 3 respectively. Let Z=X+Y. Determine P(2<=Z<=6))
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One concern in the evaluation of research results is that the subjects in one treatment condition may be substantially different (older, smarter, and so on) than the subjects in another condition. However, this is not a problem with a repeated-mea
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An electrical noise voltage is shown to be gaussian with a mean of zero and a variance of 1 volts squared. What is the probability that the measured value of the voltage is greater than 1.5 volts?
Consider the following probability density function for the random variable X :
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