Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. one of the steps used to manufacture a metal clamp involves the drilling of three holes. in a sample of 81 clamps, the mean time to complete this step was 56.8 seconds. assume that the population standard deviation is 9 seconds. what is the lower bound of the 98% confidence interval?

Someone answer this check out the image!

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

Questions 7-8. use the following table to answer. year 2006 2007 2008 2009 2010 2011 2012 2013 cpi 201.6 207.342 215.303 214.537 218.056 224.939 229.594 232.957 7. suppose you bought a house in 2006 for $120,000. use the table above to calculate the 2013 value adjusted for inflation. (round to the nearest whole number) 8. suppose you bought a house in 2013 for $90,000. use the table above to calculate the 2006 value adjusted for inflation. (round to the nearest whole number)