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Statistics, Exam. December 17, 2020. page 3 Exercise 2 50% of the customers buy product A, 30%% of the customers buy product B and 20%% of the customers of a shop buy product C. All these products come with 2-year warranties. Product A has fallure probability of 0.2 during the 2-year warranty period, the probability of failure during 2-year period for product B is 0.05 and the product C needs fixing during the 2-year period with probability 0.01. Find the following probabilities for a randomly selected purchase (customer): P( Failure during 2 years | product A )=45125m P( product A ) .exams#+15148 P( product A n failure during 2 years) = ...4:#1598 Fax P(failure during 2 years ) = .secretaria# P( poduct A | failure during 2 years ) = #5..kumkum Exercise 3 Sample of size 6 was collected. The sample mean was 20, sample variance was 24. Find the 95%%- confidence interval for population mean