Question

A survey of 1318 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 217 have donated blood in the past two years.

i. The point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years is                            [ Select ]                       ["not possible to compute with the given information.", "217", "0.165", "1318"]      

ii. The 95% confidence interval for the population proportion of adults in the country who have donated blood in the past two years is                            [ Select ]                       ["( 0.145 , 0.185 )", "not possible to compute with the given information.", "( 0.141 , 0.188 )", "( 0.138 , 0.191 )", "( 0.148 , 0.181 )"]      

Answer 1