Q. A product has two subcomponents, A and B. failure of eir A or B results in failure of product. Probabilities of A and B performing successfully for 1,500 times are .96 and .92, respectively, and are independent.
a) What is probability that product will operate properly 1,500 or more times?
b) What is your answer to part (a) if probabilities for A and B are .85 and .75 respectively?