Multiple Choice
Suppose that vehicle speeds at an interstate location have a normal distribution with a mean equal to 70 mph and standard deviation equal to 8 mph. What is the z-score for a speed of 64 mph?
A) -6
B) -0.75
C) +0.75
D) +6
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q78: Use the following information for questions:<br> A
Q79: Use the following information for questions:<br> Ellen
Q80: The formula for the standard deviation for
Q81: Use the following information for questions:<br> For
Q82: Which of the following is an example
Q84: Use the following information for questions:<br> Midterm
Q85: Scores on an achievement test had an
Q86: Use the following information for questions:<br> In
Q87: Weights of females have approximately a normal
Q88: The time taken to answer an exam