SOLUTION: We assume that the age of employees in a public company has normal middle-aged distribution of 44 years and standard deviation 2 years. Find the percentage of employees by age in p
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Question 1194909: We assume that the age of employees in a public company has normal middle-aged distribution of 44 years and standard deviation 2 years. Find the percentage of employees by age in percentage?
a) under 48 years,
b) between 39 and 49 years,
c) over 49 years Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! z=(x-mean)/sd
a is z< (48-44)/2 or z<2 with probability of 0.9772
b is z between -2.5 and +2.5 with probability of 0.9876
c is z >2.5 with probability of 0.0062
