Can someone help me on my practice quiz?

I' chrome File Edit View History Bookmarks People Tab Window Help Cl \"S 41%[:- Wed7232PM MyOpenMath x c 9 c a myopenmathcom A real estate agent Parul Jaiswal was asked to analyze the one-bedroom condo prices in the GTA. She took G 56mins X a random sample of 12 condos in lslington and another random sample of 7 condos in Etobicoke West Mall. The sample means (in S thousands) are 51 = 496 for lslington and i2 = 460 for Etobicoke West Mall. Historically, the population standard deviations (in $ thousands) are 01 = 74 for Islington and :72 = 35 for Etobicoke West Mall. Could Parul Jaiswal claim at a 2% level of significance that the average price in lslington is higher than the average price in Etobicoke West Mall? Use the z-test for independent samples and the formula, _ (51 j2) (M1 H2) 1513 Note: The nature of the distributions and availability of 0'1 and 02 allow us to use 2- approach, though both samples are comparatively small; (a) State the null and alternative hypotheses, and identify which one is the claim. [:1 C] H0: Select an answer v '? H1: Select an answer v '? v Which one is the claim? 0110 CHI (b) Find the critical value(s). In the first box please indicate the sign(s), and in the second box enter the numeric value. In part (b) your answer should contain 2 decimal places. [:1 (c) What is the test statistic? Critical Value(s) = For part (c), use the correct sign for the test statistic and round your answer to 3 decimal places