Solved: Find the point estimate of the difference of proportion, Basic Statistics

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Find the point estimate of the difference of proportion

A random sample of 250 families in City A revealed that 65 families had annual income over $100,000. Another random sample of 300 family from city B contained 45 families had annual income over $100,000. Find the point estimate of the difference of proportion between City A and City B.

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Basic Statistics: Find the point estimate of the difference of proportion

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