Church going In December 2011, Pew Research found that 921 American adults out of 2303 surveyed are active in a church, religious, or spiritual organization. a) Create a 95% confidence interval for...

Church going In December 2011, Pew Research found that 921 American adults out of 2303 surveyed are active in a church, religious, or spiritual organization.

a) Create a 95% confidence interval for the proportion of all American adults who are active in a church, religious, or spiritual organization.

 b) Interpret your interval in context.

 c) Explain carefully what “95% confidence” means in this context.