A Simple Random Sample of 100 Grocery Receipts Was Drawn

Short Answer

A simple random sample of 100 grocery receipts was drawn from a normal population. The mean and standard deviation of the sample were $120 and $25, respectively. Test the hypotheses H₀: = 125 vs. H₁: 125 at the 10% significance level.
Test statistic = ______________
Critical Value(s) = ______________
Conclusion: ______________
Interpretation: ____________________________
Estimate the population mean with 90% confidence.
______________