In a semiconductor manufacturing process, three wafers from a lot are tested. each wafer is classified as pass or fail. assume that the probability that a wafer passes the test is 0.9 and that wafers are independent. determine the probability mass function of the number of wafers from a lot that pass the test. round your answers to three decimal places

Step-by-step explanation:

Given that in a semiconductor manufacturing process, three wafers from a lot are tested. We find that each wafer in independent of the other, and there are only two outcomes.  

Hence X no of wafers that pass the test from the three selected is binomial with n = 3 and p = 0.9 q =0.1

Probability mass function would be

your answer is a

step-by-step explanation:

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add 5 subtract 1

step-by-step explanation: