4 years ago

The answer to this problem please

1 answer:

3 0

Ya I Know the ans but your points are very less so I m not intrusted to give Answer

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Savatey [412]

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Step-by-step explanation:

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Step-by-step explanation:

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ladessa [460]

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3 years ago

FinnZ [79.3K]

Answer:

The probability of a bulb lasting for between 480 and 526 hours=0.74454

Step-by-step explanation:

We are given that

Standard deviation of the lifetime, $\sigma=20$ hours

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Step-by-step explanation:

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3 years ago