The growth rates of some plant follow a normal distribution with a mean height of 8.3 inches and a standard deviation of 5.4 inches. What is the probability that a plant selected at random would be between 13 and 17 inches?

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above