= Homework: MATH 202 Homework 6 Question 1, 8.1.29 HW Score: 34%, 34 of 100 points Points: 0 of 9 Save A proposal for a

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Homework Math 202 Homework 6 Question 1 8 1 29 Hw Score 34 34 Of 100 Points Points 0 Of 9 Save A Proposal For A 1 (109.06 KiB) Viewed 81 times

= Homework: MATH 202 Homework 6 Question 1, 8.1.29 HW Score: 34%, 34 of 100 points Points: 0 of 9 Save A proposal for a new 1-cent tax increase to support cancer research is to appear on the ballot in one county's next election. The residents in Hangzhou and Chengdu, two cities in China, were questioned as to their level of support. In Hangzhou, a recent survey of 445 residents showed that 353 people supported the proposal, 18 were undecided, and the remainder were opposed to the new proposal. In Chengdu, the results of a random sample of 407 residents found that 325 people supported the tax, 32 were opposed, and the remainder were undecided. Estimate the difference in the percentages of residents from these two cities who support this proposal. Use a 90% confidence level. to Using a 90% confidence level, the difference in the percentages of residents from Hangzhou and Chengdu cities who support the proposal is (Round to four decimal places as needed.)