41.
For the standard normal distribution, P(Z > mean) is:
A
More than 0.5
B
Less than 0.5
C
Equal to 0.5
D
Difficult to tell
42 practice sets · Page 3 of 3
For the standard normal distribution, P(Z > mean) is:
More than 0.5
Less than 0.5
Equal to 0.5
Difficult to tell
A random variable X is normally distributed with μ = 70 and σ2 = 25. The third moment about arithmetic mean is:
Zero
Less than zero
Greater than zero
None of the above