What is the probability that at least 70 patients will not be satisfied with the after-surgery care?
A)0.8944
B)0.3944
C)0.1056
D)0.7888
E)0.8449

Question

Quizplus · Accepted Answer

The probability that at least 70 patients will not be satisfied with the after-surgery care is 0.8944. This is because the probability that a patient will not be satisfied with the after-surgery care is 0.1056, and the probability that at least 70 patients will not be satisfied is the complement of the probability that all 100 patients will be satisfied, which is 1 - (0.8944)^100 = 0.8944.

What Is the Probability That at Least 70 Patients Will