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A smartphone manufacturer knows that their phone battery's have a normally distributed lifespan, with a mean of 3.3 year

Posted: Wed May 11, 2022 8:37 pm
by answerhappygod
A Smartphone Manufacturer Knows That Their Phone Battery S Have A Normally Distributed Lifespan With A Mean Of 3 3 Year 1
A Smartphone Manufacturer Knows That Their Phone Battery S Have A Normally Distributed Lifespan With A Mean Of 3 3 Year 1 (14.03 KiB) Viewed 26 times
A smartphone manufacturer knows that their phone battery's have a normally distributed lifespan, with a mean of 3.3 years, and standard deviation of 0.5 years. If you randomly purchase one phone, what is the probability the battery will last longer than 2 years? Round your answer to one decimal.