a fabric manufacturing company has two looms to make madras cloth loom a makes cloth with number of flaws per yard following a [poisson random variable with mean 1/2 loom b makes cloth with number of flaws per yard following a posson random variable with mean 2 eighty percent of the company madras cloth is made using loom a if a yard of cloth made by the company is randomly chosen and found to have no flawas what is the probability that is came form loom a