Sample proportion falls between what two values

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Reference no: EM131817105

According to the U.S. Statistical Abstract, the proportion of new single-family houses completed in 2003 that had two or more stories was 0.53. For samples of 70 new single-family houses completed in 2003, the distribution of sample proportion with two or more stories has mean 0.53, standard deviation 0.06, and a shape that is approximately normal.

a. The probability is 0.68 that sample proportion falls between what two values?

b. If a sample of 70 single-family houses completed in 2003 in a particular town has 0.49 with two or more stories, could we say that this sample represents what was typical for the United States?

c. What is the probability that sample proportion is less than 0.41 or greater than 0.65?

Reference no: EM131817105

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