The breaking strengths of cables produced by a certain manufacturer have historically had a mean of 1900 pounds and a standard deviation of 55 pounds. The company believes that, due to an improvement in the manufacturing process, the mean breaking strength, of the cables is now greater than 1900 pounds. To see if this is the case, 150 newly manufactured cables are randomly chosen and tested, and their mean breaking strength is found to be 1910 pounds. Can we support, at the 0.05 level of significance, the claim that the population mean breaking strength of the newly-manufactured cables is greater than pounds? Assume that the population standard deviation has not changed. Perform a one-tailed test. Then complete the parts below.