Exercise 1-4.1 a) A box contains 50 diodes of which 10 are known to be bad. A diode is selected at random. What is the probabil ity that it is bad? b) If the first diode drawn from the box was good, what is the probability that a: second diode drawn will be good? c) If two diodes are drawn from the box what is the probability that they are both good?

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  • probabilistic methods of signal and system analysis
  • Exercise 1-4.1 a) A box contains 50 diodes of which 10 are known to be bad. A diode is selected at random. What is the probabil ity that it is bad? b) If the first diode drawn from the box was good, what is the probability that a: second diode drawn will be good? c) If two diodes are drawn from the box what is the probability that they are both good?
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Exercise 1-4.1

a) A box contains 50 diodes of which 10 are known to be bad. A diode is
selected at random. What is the probability that it is bad?
b) If the first diode drawn from the box was good, what is the probability
that a: second diode drawn will be good?
c) If two diodes are drawn from the box what is the probability that they
are both good?

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