Suppose the mean time to fill a routine prescription at a local pharmacy is 35 minutes based on the time the physician places the order to the time it is dispensed. Assume the standard deviation is 11 minutes and the z score is -1.3. What is x?
A) 20.7
B) 0.0
C) -14.3
D) 14.3
E) -20.7

Question

Quizplus · Accepted Answer

The z-score formula is z = (x - mean) / standard deviation. Solving for x gives x = z * standard deviation + mean. Substituting the given values: x = -1.3 * 11 + 35 = 20.7.

Suppose the Mean Time to Fill a Routine Prescription at a Local