Hour Exam Z 56mins X. Progre Score: 0/25 0/12 answered Question 11 The Statsburgh SPCA claims that more than 61 % of Statsburgh households keep pets. A reporter conducts a hypothesis test at the a = 0.05 significance level to test this claim. In a survey of 325 Statsburgh households, the reporter finds that 205 keep pets. Find the P-value for this hypothesis test. Round your answer to four decimal places. Answer: P-value = Submit Question SO DII DD F1 F2 F3 4 5 F7 F8 F9 @ # % 8 2 3 4 5 6 8 9 W E R Y U O S D H K56mins X Progre Score: 0/25 0/12 answered Question 12 The management at Leon's Laser Company claims that the mean lifetime of all the lasers the company sells is greater than 10 years. A hypothesis test is conducted at the a = 0.10 significance level to test this claim. In a random sample of 25 lasers, the mean lifetime was found to be 10.27 years, with a sample standard deviation of 2.2 years. The sample data appeared to be normally distributed. Find the value of the test statistic for this hypothesis test. Round your answer to three decimal places. Answer: Submit Question SO a DI DD F1 F3 5 F6 F7 F8 F9 @ # % 2 3 4 5 O 8 W E R Y U O S D H C KHour Exam 2 56mins X. Progress Score: 0/25 0/12 answered Question 10 A quality-control expert tested a random sample of 27 shoelaces from the Footwear Factory. The breaking strengths of the laces in the sample appeared to be normally distributed with a mean of 578 pounds, and a sample standard deviation of 33 pounds. Find the margin of error for a 95 confidence interval for the mean breaking strength of all Footwear Factory shoelaces. Round your answer to the nearest tenth of a pound. Answer: The margin of error is pounds. Submit Question 20 DII DD F2 F3 F5 =6 F7 F 8 E9 # % W 4 5 6 O W E R Y U O D F G H K