Find P(SN = 4) where N is a Binomial random variable with parameter r = 6 (number of times the experiment is performed) and p = .6.

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Q: The mean of X is

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A: Answer: For the given data, mean (μ) = 25 standard deviation (σ) = 10

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Q: Recall that a normal distribution should be able to spread approximately three standard deviations…

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Q: 1. The input to a communication channel is a random variables x and the output is another random…

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Q: how do we know when to use probability formulas such as p(x)=1-P? what are the other formulas?

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