A manufacturer of tablets receives its LED screens from three different suppliers, 45% from supplier B1, 30% from supplier B2, and the rest from supplier B3. In other words, the probabilities that any one LED screens received by the plant comes from Bis 0.45 and from B2 is 0.30. Also, suppose that 95% of the LED screens from B1, 80% of those from B2, and 65% of those from B3 perform according to specifications. Find the: a) Find the probability that a LED screen will meet specifications.
b) Calculate the probability that a LED screen that meets specifications was sent by the second supplier.