A factory makes lightbulbs. The probability that a bulb is defective is If 300 lightbulbs are tested, about how many are expected to be defective?

asked Feb 15, 2022 79.4k views

16 votes

A factory makes lightbulbs. The probability that a bulb is defective is If

300 lightbulbs are tested, about how many are expected to be defective?

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8 votes

Answer:

20, I believe because 300 x 1/5 is 20

not 30

not 15

not 66

Hiryu answered Feb 18, 2022

by Hiryu

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4 votes

300 times 1/15 would be 20 lightbulbs

Menglong Li answered Feb 19, 2022

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