Multiple Choice
Bones Brothers & Associates prepare individual tax returns. Over prior years, Bones Brothers has maintained careful records regarding the time to prepare a return. The mean time to prepare a return is 90 minutes and the standard deviation of this distribution is 14 minutes. Suppose 100 returns from this year are selected and analyzed regarding the preparation time. What is the probability that the mean time for the sample of 100 returns for this year is greater than 92?
A) Approximately zero
B) 0.0832
C) 0.4168
D) 0.0764
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Manufacturers were subdivided into groups by volume
Q37: The true sampling error is usually not
Q38: The Office of Student Services at a
Q39: LongLast Inc. produces car batteries. The mean
Q40: If the sampling distribution of the sample
Q43: If a population is normally distributed, then
Q44: A population consists of the following four
Q45: For a given population, the mean of
Q46: The Office of Student Services at a
Q47: Suppose a research firm conducted a survey