A washing machine in a laundromat breaks down an average three times per month. Using the Poisson probability formula find the probability that during the next month, it will break at most once. а. .1992 O b. .5432 с. .6754 O d. .2240

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A washing machine in a laundromat breaks down an average three times per month. Using
the Poisson probability formula find the probability that during the next month, it will break
at most once.
а.
.1992
O b. .5432
c. .6754
d. .2240
Transcribed Image Text:A washing machine in a laundromat breaks down an average three times per month. Using the Poisson probability formula find the probability that during the next month, it will break at most once. а. .1992 O b. .5432 c. .6754 d. .2240
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