Answer to Question #319823 in Statistics and Probability for mohamed

Question

A proposal for a new 1-cent tax increase to support can- cer 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 450 resi- dents showed that 352 people supported the proposal, 18 were undecided, and the remainder were opposed to the new proposal. In Chengdu, the results of a ran- dom sample of 400 residents found that 326 people supported the tax, 32 were opposed, and the remainder