Multiple Choice
If the mean of a normal distribution is negative,
A) the standard deviation must also be negative
B) the variance must also be negative
C) a mistake has been made in the computations, because the mean of a normal distribution cannot be negative
D) None of these alternatives is correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q53: A local bank has determined that the
Q80: Exhibit 6-9<br>The average price of personal computers
Q81: The time it takes to completely tune
Q82: A normal distribution with a mean of
Q84: A uniform probability distribution is a continuous
Q86: Exhibit 6-4<br>f(x) =(1/10) e<sup>-x/10</sup> x <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2206/.jpg"
Q87: Z is a standard normal random variable.
Q88: The prices of condos in a city
Q89: The average starting salary of this year's
Q90: The monthly earnings of computer systems analysts