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 18:30
David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?
Answers: 1
Mathematics, 22.06.2019 02:50
Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?
Answers: 2
Mathematics, 22.06.2019 04:50
Solve the proportionx+1 14 = x-1 20 a. -3/17 b.10/7 c.7/10 or d. -17/3
Answers: 1
A random sample of 9 fields of corn has a mean yield of 40.6 bushels per acre and standard deviation...
Biology, 05.03.2020 17:15
Mathematics, 05.03.2020 17:15
Engineering, 05.03.2020 17:16
English, 05.03.2020 17:16
Mathematics, 05.03.2020 17:16
Mathematics, 05.03.2020 17:16
Mathematics, 05.03.2020 17:16