Suppose that you replace every observation x by y 3x 7, Engineering Mathematics

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Suppose that you replace every observation x by y 3x 7

Question: 1. Answer Exercise when

Exercise: The density function of a continuous random variable X is given by

(a) Find k.

(b) Find E(X) and V(X).

2. Suppose that you replace every observation x by y = 3x + 7 and the mean µ by η = 3µ + 7. What happens to the t-value you use?

3. and power of a test. What is the relationship between type I error and the confidence coefficient in a confidence interval?

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Engineering Mathematics: Suppose that you replace every observation x by y 3x 7

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Engineering Mathematics: Suppose that you replace every observation x by y 3x 7

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