5. Ali and Geo compare their scores in Calculus for this semester. They find that the average score is 42 with the standard deviation of 4. Ali's score is 48 while Geo's score corresponding z-score...

Extracted text: 5. Ali and Geo compare their scores in Calculus for this semester. They find that the average score is 42 with the standard deviation of 4. Ali's score is 48 while Geo's score corresponding z-score value of z = 1.45. Who got the higher score? а. Ali b. Geo c. both of them d. none of them.


Extracted text: Direction: Choose the letter that corresponds to the correct answer. 1. Which of the following is the best formula in calculating the z-score for the population data? b. z = u-x a. z = C. Z = d. z = 2.Given: X = 45, x = 35 and s = 5, find the z-score value. %3D a. 3 b. 2 С. 1 d. 0 3. Which of the following is the z-score value of X = 89, =92, and o = 6? %3D a. -1 b. -0.6 C. -0.5 d. 0.5 4. If z = 1.5, µ = 79 and o = 5, what is its corresponding random variable X? a. 86.5 b. 85.6 с. 79.5 d. 76.5