28) Suppose that 20% of students at high school A and 18% of students at high school B participate on a school athletic team.
Independent random samples of 30 students from each school are selected and asked if they participate on a school athletic , team. Let ?, represent the sample proportion of students at school A who participate on a school athletic team and Pa represent
¿ the sample proportion of students at school B who participate on a school athletic team.
Check the Large Counts Condition. Do not round.