Consider a random sample of 100 females and 100 males. Suppose 15 of the females are left-handed and 12 of the males are left-handed. What is the estimated difference between population proportions of females and males who are left-handed (females − males)? Select the choice with the correct notation and numerical value.
A. p1−p2=3
B. p1 −p2 =0.03
C . pˆ − pˆ = 3 12
D . pˆ − pˆ = 0 . 0 3 12
Consider a random sample of 100 females and 100 males. Suppose 15 of the females are left-handed and 12 of the males are
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