please write it as computer don't use paper i want to submit it by microsoft word In a bolt factory, 30% of the bolts ar

[answerhappygod]

please write it as computer don't use paper i want to
submit it by microsoft word
In a bolt factory, 30% of the bolts are
produced by machine A, 30% are produced by machine B,
and the remaining 40% are produced by
machine C. Of their outputs, 1%, 3% and 4% respectively
are
defective bolts. Use Bayes
probability, If a bolt is selected at random and found to be
defective, what is
the probability that it
came:
a) either from machine A or from
machine C?
b) neither from machine B nor from
machine C?