Multiple Choice
A large number of applicants for admission to graduate study in business are given an aptitude test. Scores are normally distributed with a mean of 460 and standard deviation of 80. What fraction of the applicants would you expect to have a score of 400 or above?
A) 0.2734
B) 0.7734
C) 0.7266
D) 0.7500
Correct Answer:

Verified
Correct Answer:
Verified
Q60: If the mean waiting time for the
Q61: For a continuous random variable, the total
Q62: On average, a major earthquake (Richter scale
Q63: The normal distribution is a good approximation
Q64: The Excel function =40*RAND() would generate random
Q66: Compared to the area between z =
Q67: A random variable X is best described
Q68: A continuous uniform distribution U(100, 200) will
Q69: In a T-F exam with 100 questions,
Q70: The normal is a good approximation to