Question
A report announced that the median sales price of new houses sold one year was $221 comma 000221,000, and the mean sales price was $274
A report announced that the median sales price of new houses sold one year was
$221 comma 000221,000,
and the mean sales price was
$274 comma 100274,100.
Assume that the standard deviation of the prices is
$90 comma 00090,000.
Complete parts (a) through (d) below.
Question content area bottom
Part 1
(a) | If you select samples of nequals=2, describe the shape of the sampling distribution of Upper X overbarX. |
Choose the correct answer below.
A.
The sampling distribution will be approximately normal.
B.
The sampling distribution is skewed to the right, but less skewed to the right than the population.
Your answer is correct.
C.
The sampling distribution will be approximately uniform.
D.
The sampling distribution will depend on the specific sample and will not have a constant shape.
Part 2
(b) | If you select samples of nequals=100100, describe the shape of the sampling distribution of Upper X overbarX. |
Choose the correct answer below.
A.
The sampling distribution is skewed to the right, but lessed skew to the right than the population.
B.
The sampling distribution will be approximately normal.
Your answer is correct.
C.
The sampling distribution will be approximately uniform.
D.
The sampling distribution will depend on the specific sample and will not have a constant shape.
Part 3
(c) | If you select a random sample of nequals=100100, what is the probability that the sample mean will be less than $290 comma 000290,000? |
The probability that the sample mean will be less than
$290 comma 000290,000
is
enter your response here.
(Round to four decimal places as needed.)
JUST NEED HELP WITH C
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