The no. 1 basketball team made 72% of its free throws over the past 5 seasons and shot 450 free throws in total.
The no. 2 team made 64% of its free throws over the past 5 seasons and shot 550 free throws in total. You randomly
select 40 free throws from each team and record whether they made the shot. Let , -, be the difference in the
sample proportions of successful free throws, where , is the proportion of free throw shots made by the no. 1 team
and , is the proportion of free throw shots made by the no. 2 team.
Complete the following statement.
successes and
Since we would expect
failures for the no. 1 team and [
failures for the no. 2 team, the shape of the sampling distribution of ₁-₂ would be
30 of 34
successes and
Done