complete both

u Question 4 I 3+ Q and Q - 4 with the harvest price being one of three yeyon1-3 and Ps 9. then calculate the mean and the variance of profit two ways directly with I have read this question and attempted to answer it. Question 5 PART A: If Wa+bX where a - 1.b 2 and X is a random variable with equally helyetions of and 8. then calculate the mean and the variance of W two ways (directly and indirectly PART B: Using summation notation, demonstrate that you can distribute cap sigma across the sum of the and the Y