Question
According to the Energy Information Administration, the age of a refrigerator in a home owned by the occupant is normally distributed with ?= 8.5 years
According to the Energy Information Administration, the age of a refrigerator in a home owned by the occupant is normally distributed with ?= 8.5 years and ?= 6.6 years. A random sample of 50 homes owned by the occupant is conducted, and the average age of the refrigerator is found to be 5.7 years. calculate the standard error of the mean.
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Raising Venture Capital
Authors: Rupert Pearce, Simon Barnes
1st Edition
0470027576, 978-0470027578
