How Many Observations Would Be Needed to Be 99

question 129

Short Answer

How many observations would be needed to be 99.74% confident that the maximum error is 5% of the observed time? Assume that the standard deviation of the task time is 2 seconds.

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Definitions:

Lifetime Learning Credit

A tax credit available for qualified tuition and related expenses paid for eligible students enrolled in an eligible educational institution, aimed at promoting lifelong learning.

Qualifying Expenses

Specific expenditures that meet the criteria for tax deductions or credits, reducing taxable income.

Community College

A two-year public institution providing higher education and vocational training, often serving as a bridge to four-year universities.

AGI Limitations

Thresholds based on Adjusted Gross Income that limit eligibility for certain tax deductions and credits.