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In a random sample of 49 49 audited estate taxreturns, it was determined that the mean amount of additional tax owed was $ 3458 3458

In a random sample of 49

49 audited estate taxreturns, it was determined that the mean amount of additional tax owed was $3458

3458 with a standard deviation of $2532

2532. Construct and interpret a90% confidence interval for the mean additional amount of tax owed for estate tax returns.

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The lower bound is $

nothing

.

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