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: 7.42

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= 1000, p= 640/1000=.64 , q= 36, n=40, p̂= 24/40=0.6 Population proportion = p= .64 Sample proportion =p̂ = 0.6

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