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yrkfred1440
12.01.2020 •
Mathematics
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 ˆ p a represent the sample proportion of students at school a who participate on a school athletic team and ˆ p b represent the sample proportion of students at school b who participate on a school athletic team.
what is the value of n a p a ?
what is the value of n a ( 1 − p a ) ?
what is the value of n b p b ?
what is the value of n b ( 1 − p b ) ?
is the shape of the sampling distribution approximately normal?
these values all at least 10.
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