Suppose that the random variable X has the probability density function flW) = 0 ( (1- x²) for - 1s x <1 f(x) elsewhere What is the variance of X A) 1/2 B) 1/3 c) 1/5 D) 1/4

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A:

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A: c) From the given information, n=79 and p=0.20.

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A: here use  studying in hour  = X marks  = Y

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Q: Given the data points listed below, use linear regression to find the expression y mx + b. List the…

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A: Here we use the concept of correlation coefficient (r).

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