4. It has been reported that nationwide the success rate for a certain operation is 70%. For a study at a local hospital, a random sample of 150 of these operations were selected and it was found that 114 were successful. Using a 5% significance level, test the claim that this hospital's success rate is different from the nationwide success rate. a. Write the hypotheses. Take care to use the correct symbol for the parameter being tested. b. Identify sample statistics and given values symbollically. Include here the formula, substitutions and value of p-hat. c. What is the direction of the test? What word or words in the problem did you use to determine this? Answer in the form of a complete sentence. d. Find the CV5 using invNorm and include your e. Find the TV using Tl83/84 test. Round to 2 dec. places. Do calculator input. Graph the CV. Identify the CR. Shade NOT show a lay-hand calculation. Graph the TV. Shade the p- alpha. value. f. Write the p-value in decimal form (4 decimal 9. Traditional Method. h. P-value Method. _ places) and as a percent. Circle the correct statement: Circle the correct statement. TV is in the CR p-value S a 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