To start her old lawn mower, Rita has to pull a cord and hope for some luck.
Question:
To start her old lawn mower, Rita has to pull a cord and hope for some luck. On any particular pull, the mower has a 20% chance of starting.
a. Find the probability that it takes her exactly 3 pulls to start the mower.
b. Find the probability that it takes her more than 6 pulls to start the mower.
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Using the binomial distribution it is found that there is a a 0128 128 probability that it takes her ...View the full answer
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