A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.8 y

Question

Pritesh Ranjan · Answer

In this problem, we are given that the lifespan of items which are known to their manufacturer,

Ahmet Yavas · Answer

there is a normal distribution given for this question. So the mean, which is denoted by mu, thi

Tim Thornhill · Answer

This problem says a manufacturer knows that their items have a normally distributed lifespan wit

Ahmet Yavas · Answer

Here in this question there is a normal distribution and the mean value, I&#x27;m just denote as the

Adi S · Answer

Given in the question new equals to 12 standard deviation equals to 3 and n equals to 21 So new

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.8 years, and standard deviation of 2 years. If 3 items are picked at random, \( 8 \% \) of the time their mean life will be less than how many years?