From a large batch of batteries, a sample of size 50 is drawn. The average lifespan of

the batteries is 1200 hours with a standard deviation of 200 hours.

Find the probability that the mean lifespan of the sample is less than 1150

hours.

asked by guest
on Apr 04, 2025 at 10:55 pm



Mathbot Says...

I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.


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