Question: 4.6. Let be a standard normal random variable. (a) For an arbitrary constant a, show that E[(e - a)+] = 4 (a) - a[1 -
4.6. Let be a standard normal random variable.
(a) For an arbitrary constant
a, show that E[(e - a)+] = 4
(a) - a[1 - 4)(a)]
(b) Let X be normally distributed with mean μ and variance cr2. Show that

E[(x - b) - [6 ()- ( - ) [ - * )]} =
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