For a certain data set the regression equation is y = 21 - 8x. The correlation coefficient between y and x in this data set O must be 1 O is positive must be >1 must be 0 O is negative

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Q: 3.3-3. If Z is N(0, 1), find values of c such that a. P(Z > c) = 0.025. b. P(|Z| ≤ c) = 0.95.

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