Suppose the first four telephone orders contain no errors, what is the probability that the first error will be on the eighth order or later?

Globokim8 2021-09-05 Answered
One store notes that the probability of some type of error in a telephone order is 0.2. A supervisor randomly selects telephone orders and carefully inspects each one.
Suppose the first four telephone orders contain no errors, what is the probability that the first error will be on the eighth order or later?

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l1koV
Answered 2021-09-06 Author has 13468 answers
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