Mathematics, 12.11.2019 06:31 frisha
1. the us mint has a specification that pennies have a mean weight of 2.5g. from a sample of 37 pennies, the mean weight is found to be 2.49910g. and the standard deviation is found to be 0.01648g. use a 0.05 significance level to test the claim that this sample is from a population with a mean weight equal to 2.5g. do the pennies appear to conform to the specifications of the us mint? the data can be found in the coinweights. mtw file on blackboard.
Answers: 2
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1. the us mint has a specification that pennies have a mean weight of 2.5g. from a sample of 37 penn...
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