Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the two Z scores.
A normal distribution has a mean of 44 and a standard deviation of 4.
What is the probability that a value drawn from the distribution lies between 36 and 48?
A)
0.18
B)
0.32
C)
0.82
D)
0.91
2 answers
91
1 answer