Directions: Draw the normal curve and shade the specific region show formulas A random same of 200 business showed thatb120 of them ban smoking on their premises. Finding a 95% confidence interval for...

Directions: Draw the normal curve and shade the specific region show formulas

A random same of 200 business showed thatb120 of them ban smoking on their premises.  Finding a 95% confidence interval for the population portion of all the business ban smoking on their premises