Statistics Question.

Q4- (35P). (a) The probability density function of the discrete X random variable is given as follows: x 1 2 3 4 5 x0 Q10 025 oso 020 Q15 Based on the table above; nd the following functions: i. Expected value ii. E([8X3+7]/15) iii. Standard deviation (b) The probability density function of the continuous random variable X is given below. _ cax 05x51 x _ ) {0 in other cases Based on the equation above; nd the following functions: i. c ii. Expected value iii. E([X4-5]/5) iv. Standard deviation