Question

2. The percentage of people in a population with a certain ailment (Ailment A) is 7.3%. a. If you select a sample of 10 people from this population, what is the probability that at most two of them will have Ailment A ?

Answer 1

given that n = 10 p=0.073 et & Pollows benomeal distribution, XN B(np) - XN B(0, 0.073) p(x2) - P(x=0) +PCX =)) + PLX = a) = ('0) 0-043)º(1–0·073) "07 (0) (0-073)' (1-0-073)6-17 (19) 10.073)(1-0-073)10-2 0.4686 + 0.369 +0.1308 0.9684