Mathematics, 02.04.2020 18:19 crimhill
According to the Internal Revenue Service, the average length of time for an individual to complete (keep records for, learn, prepare, copy, assemble, and send) IRS Form 1040 is 10.53 hours (without any attached schedules). The distribution is unknown. Let us assume that the standard deviation is two hours. Suppose we randomly sample 36 taxpayers. Show work.
a. In words, Χ =
b. In words, X ¯ =
c. X ¯ ~ (,)
d. Would you be surprised if the 36 taxpayers finished their Form 1040s in an average of more than 12 hours? Explain why or why not in complete sentences.
e. Would you be surprised if one taxpayer finished his or her Form 1040 in more than 12 hours?
Answers: 1
Mathematics, 21.06.2019 18:20, mairealexander87
The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?
Answers: 2
Mathematics, 21.06.2019 19:10, dylancasebere
What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl
Answers: 1
According to the Internal Revenue Service, the average length of time for an individual to complete...
Chemistry, 14.12.2020 02:30
Biology, 14.12.2020 02:30
English, 14.12.2020 02:30
Mathematics, 14.12.2020 02:30