The probability is p = 0.80 that a patient with a certain disease will be successfully treated with a new medical treatment. Suppose that the treatment is used on 40 patients. What is the "expected value"of the number of patients who are successfully treated?
A) 40
B) 20
C) 8
D) 32

Question

Quizplus · Accepted Answer

The expected value is calculated by multiplying the probability of success (p = 0.80) by the number of trials (n = 40). Thus, the expected value is 0.80 * 40 = 32.

The Probability Is P = 0