MATH-1530-L09 - Introductory Statistics Sara Bin E Homework: Self-Check 5.2 Question 3, L7.2.28-T HW Score: 18.52%, 1.11 of 6 points Part 2 of 4 Points: 0 of 1 Use technology to help you test the claim about the population mean, u, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: u > 1280; a = 0.06; o = 201.54. Sample statistics: x = 1310.04, n = 300 Identify the null and alternative hypotheses. Choose the correct answer below. XA Ho: HS 1310.04 O B. Ho: H 2 1310.04 Ha: [ > 1310.04 Ha: H 1310.04 O D. Ho: H > 1280 Ha: HIS 1310.04 Hai us 1280 OE Ho: H 2 1280 xF. Hous 1280 Ha: H 1280 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.)