Lease answer this in a Google Docs or Word if possible, I would really appreciate it!

2. A special cable has a breaking strength of 800 pounds. The standard deviation of the population is 12 pounds. A researcher selects a sample of 20 cables and finds that the average breaking strength is 793 pounds. Can one reject the claim that the breaking strength is 800 pounds? Find the P-value. Should the null hypothesis be rejected at =0.01? Assume that the variable is normally distributed.