A. Find the probability that 31 randomly selected laptops will have a mean replacement time of 3.2 years or less. Round your answer to four decimal places. P(M <3.2 years)= B. Based on the result above, does it appear that the computer store has been given laptops of lower than average quality? yes no
the manager of a computer retails store is concerned that his suppliers have been giving him laptop computers with lower than average quality. His research shows that replacement times for the model laptop of concern are
A. Find the
P(M <3.2 years)=
B. Based on the result above, does it appear that the computer store has been given laptops of lower than average quality?
yes
no
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