Distribution 2645

The worker operates 600 spindles on which the yarn is wound. The probability of tearing the yarn on each spindle at time t is 0.005.

a) Determine the probability distribution of the number of torn spindles at time t and the mean and variance.
b) What is the probability that no more than five spindles will burst in time t?

Correct answer:

p(b) =  0

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