A real estate broker wants to analyze the real estate prices in the GTA. She took a random sample of 40 houses in Richmond Hill and another random sample of 33 houses in Mississauga. The sample means (in $ thousands) are 1 = 497 for Richmond Hill and 2 = 464 for Mississauga. The population standard deviations are o1 = 93.6 for Richmond Hill and 02 - 76.2 for Mississauga. Can she claim at a 3% significance level that the average price in Richmond Hill is higher than the average price in Mississauga? Use the z-test for independent samples and the formula, (31 - 302) - (141 - 12) Z st + n1 n2 (a) State the null and alternative hypotheses, and identify which one is the claim. Ho: Select an answer v ? v H1: Select an answer v ? v Which one is the claim: OH OHo