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For a Random Sample of 20 Children, 18 Attended Preschool H0:π=.75H1:π≠.75\begin{array}{l}H_{0}: \pi=.75 \\H_{1}: \pi \neq .75\end{array}

Question 18

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For a random sample of 20 children, 18 attended preschool and 2 did not attend preschool. Test the following hypotheses at the .05 level of significance:
H0:π=.75H1:π≠.75\begin{array}{l}H_{0}: \pi=.75 \\H_{1}: \pi \neq .75\end{array}

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