Question
A line of air conditioners is advertised as using a mean of 700 watts of power with a standard deviation of 50 watts. A rival
A line of air conditioners is advertised as using a mean of 700 watts of power with a standard
deviation of 50 watts. A rival company tests 12 of the units and finds a mean of 725 watts.
Assuming a normal distribution, test the validity of the advertisement at a 0.03 level of
significance. Determine the p value.
Need the graph and every step
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Linear Algebra
Authors: Stephen H Friedberg, Arnold J Insel, Lawrence E Spence
4th Edition
0321998898, 9780321998897
