Mathematics, 15.02.2022 14:00 elijahjacksonrp6z2o7

Imperfections in computer circuit boards and computer chips lend themselves to statistical treatment. For a particular type of board, the probability of a diode failure is
0.04 and the board contains 200 diodes.
a) What is the mean number of failures among the diodes?
b) What is the variance?
c) The board will work if there are no defective diodes. What is the probability that a
board will work?
d) How many diodes are correct until we get the first diode failure?
e) What is the probability that we have at least 5 diodes until the first failure?

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