Question: Please, attach ONE Excel file with solutions to ALL exercises for this assignment (you cannot submit a separate Excel file for each exercise - it
Please, attachONEExcel file with solutions toALLexercises for this assignment (you cannot submit a separate Excel file for each exercise - it should be one Excel file which contains solutions to all exercises!).
(please use a link to send the Excel file to me)
The IRS reported that 197 tax returns were filed electronically in a random sample of 225 tax returns in 2018. Construct a 95% confidence interval for the proportion of taxpayers who filed electronically in 2018:
Use NORM.INV() or NORM.S.INV()
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