Reference no: EM132783486
A report announced that the median sales price of new houses sold one year was $211,000, and the mean sales price was $274,800. Assume that the standard deviation of the prices is $80,000.
1. If you select samples of n=2 describe the shape of sampling distribution of X
A. the sampling distribution will be approx normal
B. the sampling distribution will depend on the specific sample and will not gave a constant shape
C. the sampling distribution will be approx uniform
D. the sampling distribution is skewed to the right, but less skewed to the right than the population
2. If you select samples n=100 describe the shape of the sampling distribution of X
A. The sampling distribution is skewed to the? right, but lessed skew to the right than the population.
B. The sampling distribution will depend on the specific sample and will not have a constant shape.
C. The sampling distribution will be approximately uniform.
D. The sampling distribution will be approximately normal.
3. If you select a random sample of n=100 what is the probability that the sample mean will be less than $300,000?
4. If you select a random sample of n=100 what is the probability that the sample mean will be between $280,000 and $290,000?
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