Two farmhouses A and B are 15.7 kilometers apart. A third farmhouse, C, is located such that angle BAC is 48 degrees and angle ABC is 42 degrees. How far is C from A? (Round to the nearest tenth) *

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean