On october 17, 2006, an article called "us population reaches 300 million," the bbc reported that the us gains 1 person every 11 seconds. if f(t) is the us population in millions t years after october 17, 2006, find f(0) and f'(0) can anyone me?

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