Mathematics, 10.10.2019 04:00, jadaspells27
Aarp reported on a study conducted to learn how long it takes individuals to prepare their federal income tax return (aarp bulletin, april 2008). the data contained in the microsoft excel online file below are consistent with the study results. these data provide the time in hours required for a sample of 40 individuals to complete their federal income tax returns. assume that the population standard deviation is known to be σ = 15 hours. open spreadsheet what is the 95% confidence interval estimate of the mean time it takes an individual to complete a federal income tax return (1 decimal)? to hours'
Answers: 2
Mathematics, 21.06.2019 13:20, erickamiles1797
In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5
Answers: 2
Mathematics, 21.06.2019 18:00, angeladominguezgarci
Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10
Answers: 1
Mathematics, 21.06.2019 19:00, alexreddin3127
15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined
Answers: 2
Mathematics, 21.06.2019 19:00, lexipooh7894
What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)
Answers: 1
Aarp reported on a study conducted to learn how long it takes individuals to prepare their federal i...
Mathematics, 04.02.2021 03:50
Mathematics, 04.02.2021 03:50