Chapter 7 - Section 7.5 - Population and Sample Proportions; and the Mean, Standard Deviation, and Shape of the Sampling Distribution of p - Exercises - Page 298: 7.44

Let p be the proportion of all subjects who possess a certain characteristic, p̂ be the proportion of selected subjects who possess a certain characteristic. N=18,700, p= .30 , q=.70 n= 250, p̂= .30 Population proportion = p= .30 Sample proportion =p̂ = 0.30

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