Find the expected value of the random variable with the following probability distribution x: 2,3,4,5,6,7,8,9,10,11,12
P: 1/36,1/18,1/12,1/9,5/36,1/9,1/12,1/ 18,1/36

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit