Question: 7. [14 points total] Let X be a standard Gaussian random variable with mean / and variance oz meaning it has density e 17(3-4) on

7. [14 points total] Let X be a standard Gaussian random

7. [14 points total] Let X be a standard Gaussian random variable with mean / and variance oz meaning it has density e 17(3-4) on IE (-00, 00). (a) [7 points] Let Y = ex. Find the density fy(y) of Y and the support of Y. (b) [7 points] Suppose that / = 0. Use the expectation E[Y] = es" to show that P(X > t) 0 for some C > 0. State the value of C' you are using explicitly

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9. How much of the information collected will be used in decision-making?

1. Background knowledge of the subject and

4. What specific changes in the environment have taken place in relation to the information we have collected?