Question: if you could help me understand the process that would help A company knows that replacement times for the quari: time pieces it produces are

if you could help me understand the process that would help

A company knows that replacement times for the quari: time pieces it produces are Normally distributed with a mean of 13.8 years and a standard deviation of [1.8 years. Find the proportion ofa randomly selected quartz time pieces that will have a replacement time less than 11.6 years? PIX

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