A survey of 45,535 adults showed that 20,901 were very concerned abut climate change. What is the 99% confidence interval estimate for the proportion of all adults who

A report showed that 45% of children aged 10-15 get adequate exercise daily. How large a sample is needed to estimate the true proportion of these children getting adequate exercise to within 2.5% with 99% confidence?

In a survey of 3426 ​adults, 1487 say they have started paying bills online in the last year. Construct a​ 99% confidence interval for the population proportion. Interpret the results.

A surprising number of young adults (ages 19 to 25) still live in their parents' homes. A random sample by the National Institutes of Health included 2253 men and 2629 women in this age group. The survey found that 986 of the men and 923 of the women lived with their parents. Construct and interpret a 99% confidence interval for the difference in the true proportions of men and women aged 19 to 25 who live in their parents' homes. What conditions are met? (select all that apply) (Remember you check BOTH populations.) O 923 > 30 O 10(923) 30 O 2253 > 30 O a random sample V 2629 > 30 O 986 > 10 O 10(2629) 10 O 1706 > 10 O 923 > 10 O 10(986) < all men aged 19 to 25 O 10(2253) < all men aged 19 to 25 O O