Each year, a large warehouse uses thousands of fluorescent light bulbs that burn 24 hours per day until they burn out an
Posted: Wed May 11, 2022 8:20 am
Each year, a large warehouse uses thousands of fluorescent light
bulbs that burn 24 hours per day until they burn out and are
replaced. The lifetime of the bulbs is a normally distributed
random variable with mean equal to 600 hours and standard deviation
of 12 hours.
The warehouse manager orders a shipment of 500 light bulbs each
month. How many of the 500 bulbs are expected to have a lifetime
that is less than 582 hours ( Round your answer to one decimal
place)
466.6
33.4
498.5
7.5
482.0
bulbs that burn 24 hours per day until they burn out and are
replaced. The lifetime of the bulbs is a normally distributed
random variable with mean equal to 600 hours and standard deviation
of 12 hours.
The warehouse manager orders a shipment of 500 light bulbs each
month. How many of the 500 bulbs are expected to have a lifetime
that is less than 582 hours ( Round your answer to one decimal
place)
466.6
33.4
498.5
7.5
482.0