Math, asked by mdziarulislam323, 3 months ago

The probability that a bulb will fail before 420 hours is 0.2. Bulbs fail
independently. If 15 bulbs are tested for life lengths, what is the probability that the
number of failures before 420 hours does not exceed 3?

Answers

Answered by ishusahil

0

Step-by-step explanation:

independently. If 15 bulbs are tested for life lengths, what is the probability that the

number of failures before 420 hours does not exceed 3?

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