SOLUTION: A normal distribution of mean 5 and standard deviation 3. What is the probability that the deviation selected from mean is negative

Algebra ->  Probability-and-statistics -> SOLUTION: A normal distribution of mean 5 and standard deviation 3. What is the probability that the deviation selected from mean is negative      Log On


   



Question 744572: A normal distribution of mean 5 and standard deviation 3. What is the probability that the deviation selected from mean is negative
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A normal distribution of mean 5 and standard deviation 3. What is the probability that the deviation selected from mean is negative
-------
Negative means "less than zero".
-----
z(0) = (0-5)/3 = -5/3
----
P(x < 0) = P(z < -5/3) = normalcdf(-100,-5/3) = 0.0478
===================
Cheers,
Stan H.
===================