Given a normal distribution with ? = 100 and ? = 10, what is the probability that:
a. X > 75?
b. X < 70?
c. X > 112?
d. 75 < X < 85?
e. X < 80 or X > 110?
f. 10% of the values are less than what X value?
g. 80% of the values are between what two X values (symmetrically distributed around the mean)?
h. 70% of the values will be above what X value?
The solution gives the details of calculation of probability of a random variable in different intervals.