4. The number of monthly breakdowns of a computer is a random variable having a Poisson distribution with ( lambda=1.8 ). Find the probabilities that this computer will function for a month (a) without a breakdown. (b) with at least one breakdown.
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The parameter \( \lambda \) represents the average number of events in the given interval, which in this case is 1.8 breakdowns per month. Show more…
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