Mathematics, 05.05.2020 06:28 mythic61
A random sample of 9 fields of corn has a mean yield of 40.6 bushels per acre and standard deviation of 7.52 bushels per acre. Determine the 80% confidence interval for the true mean yield. Assume the population is approximately normal. Step 1. Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places. Step 2. Construct the 80% confidence interval. Round your answer to one decimal place. Lower endpoint: Upper endpoint:
Answers: 2
Mathematics, 21.06.2019 13:30
Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?
Answers: 2
Mathematics, 21.06.2019 14:00
Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)
Answers: 1
Mathematics, 21.06.2019 17:00
Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip
Answers: 1
Mathematics, 21.06.2019 18:00
What is the solution to the equation in the & show work i’m very
Answers: 1
A random sample of 9 fields of corn has a mean yield of 40.6 bushels per acre and standard deviation...
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