A survey of 90 recently delivered women on the rolls of a county welfare department revealed that

Question:

A survey of 90 recently delivered women on the rolls of a county welfare department revealed that 27 had a history of intrapartum or postpartum infection. Test the null hypothesis that the population proportion with a history of intrapartum or postpartum infection is less than or equal to .25.

Let Determine the p value.

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