Question
A fast food outlet claims that the mean waiting time in line is less than 3.7 minutes. A random sample of 20 customers has a
A fast food outlet claims that the mean waiting time in line is less than 3.7 minutes. A random sample of 20 customers has a mean of 3.5 minutes with a standard deviation of 0.8 minutes. Use a significance level of 0.05 to test whether the fast foodoutlet's claim is supported or not supported.
not supported
supported
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Boundary Value Problems And Partial Differential Equations
Authors: David L Powers, Powers Shelley
6th Edition
0080884415, 9780080884417
