The weights of full-grown adult female okapis are normally distributed with a mean of 500 pounds and a standard deviation of 30 pounds. What is the probability that
a) A randomly selected full-grown adult female okapi weighs at least 550 pounds?
b) A randomly selected full-grown adult female okapi weighs between 425 and 525 pounds?
Let X be the random variable. Then X follows a normal distribution with mean u=500 and standard deviation ...
Probability is determined.