Please answer 10, 11, 12 separately and show all work. Please make sure I can read your writing.

Northwest Florida State College X e Welcome - nwfsc.edu View Assessment X + nwfsc.blackboard.com/ultra/courses/_10123_1/outline/assessment/_504116_1/overview/attempt/_769515_1?courseld=_10123_1 Question 10 (4 Points X To assess attitudes towards issues that affect the residents of a village, the village leader randomly chooses 800 families to participate in a survey of life attitudes. The leader received 628 completed surveys. What is the sample proportion of completed surveys? Make sure to show your work. Hint: Your answer should be one of these four choices. A. 0.886 B. 0.274 C. 0.785 D. 0.628 Use the editor to format your answer Question 11 4 Points The National Association of Realtors estimates that 26% of all homes purchased in 2004 were considered investment properties. If a sample of 900 homes sold in 2004 is obtained, what is the probability that at most 260 homes are going to be used as investment property? Make sure to show your work. Hint: Your answer should be one of these four choices. A. 0.2236 B. 0.5189 C. 0.0241 D. 0.9759 Use the editor to format your answer Question 12 4 Points A survey of 2540 musicians showed that 368 of them are left-handed. Find a point estimate for p, the population proportion of musicians that are not left-handed. Make sure to show your work. Hint: Your answer should be one of these four answers. A. 0.855 B. 0.127 C. 0.169 D. 0.145 120 minutes remaining Save and Close 42171 esc ? 13 16 40 4- 18 4+ 144 10 DDI # A 5 6 8 9 O tab W E R T Y P caps lock A S D F G H K shift T Z X C B N M