SOLUTION: The lifetime of a certain appliance is normally distributed with a mean life of 6.5 years.� If the standard deviation is 0.83 years, what is the percentage of appliances will last

Question 1074646: The lifetime of a certain appliance is normally distributed with a mean life of 6.5 years.� If the standard deviation is 0.83 years, what is the percentage of appliances will last less than 6 years?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the z score,

Using EXCEL's NORMSDIST function,

27.3%
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