Question
In a random sample of 81 audited estate tax returns, it was determined that the mean amount of additional tax owed was $ 3 4
In a random sample of 81audited estate taxreturns, it was determined that the mean amount of additional tax owed was $3418
with a standard deviation of $2560.Construct and interpret 90% confidence interval for the mean additional amount of tax owed for estate tax returns. What is the lower and higher bound.
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
