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In a particular year 40 of home sales were partially

In a particular year 40% of home sales were partially financed by the seller. A random sample of 250 sales is examined.

a. The probability is 0.8 that the sample proportion is more than what amount?

b. The probability is 0.9 that the sample proportion is less than what amount?

c. The probability is 0.7 that the sample proportion differs from the population proportion by how much?

a. The probability is 0.8 that the sample proportion is more than what amount?

b. The probability is 0.9 that the sample proportion is less than what amount?

c. The probability is 0.7 that the sample proportion differs from the population proportion by how much?

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