If the proportion of a brand of television set requiring service during the first year of operation is a random variable having a beta distribution with α = 3 and β = 2.

(a) What is the probability that at least 80% of the new models of this brand sold this year will require service during their first year of operation?

(b) What is the probability that less than 80% of the new models of this brand sold this year will require service during their first year of operation given that 40% require service during this year.

Answer rating: 100% (QA)

XN petala 3 B 2 so fxl Let ... View the full answer