What is your decision? '. Write the conclusion. Circle the correct statement. At the significance level, there (is/ is not) Reject Ho Fail to reject Ho enough evidence to support the claim that this hospital's success rater is different from the national success rate. As well as the above, include the value of po on the graph. Make certain directional shading is clear (no "scribble" shading). I30 5. Tyler has just moved into a new apartment and wants to purchase a new couch. He believes the mean price of a couch sold locally may be greater than the mean price from an online retailer. He takes independent random samples of couches sold locally and online. These samples consisted of 45 local store prices which had mean $670, and 42 online prices which had mean $650. Assume the population of prices for each type of store are normally distributed with standard deviation $52. Test the claim that the mean price of couches sold locally is greater than the mean price online using a 10% level of significance. Let [.11 be the mean price locally. a. Write the hypotheses. b. Identify sample statistics and given values symbollically. c. Use your Tl83/84 to find the TV. Do you use 2-SampZTest or 2-SampT d. Find the p-value and write in decimal form Test? Explain the reason for your choice. (4 dec places) and as a percent. e. P-value Method. f. Traditional Method. Circle the correct statement. Based on part er circle the correct statement. p-value S o: p-value > 0: TV is in the CR TV is not in the CR