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Mathematics 10 Online
OpenStudy (anonymous):

HELP A company manufactures batteries having lifespans that are normally distributed with a mean of 45 Mo. And a standard deviation of 5 Mo. Find the probability that a battery chosen at random will have a lifespan of 50-55 Mo.

OpenStudy (anonymous):

45/5=9 It have a probability of 9% that a battery chosen at random will have a life span of 50-55 Mo IS this correct???!!????

OpenStudy (anonymous):

i do not know

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