Please help! The choices for the first box is right/left, right, or left. The choices for the second box is up/down, up, or down
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2 answers:
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Answer:
(c) if n is large, then the sampling distribution of the sample mean can be approximated closely by a normal curve.
Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random variable X, with mean and standard deviation
, the sampling distribution of the sample mean, with a large sample size, can be approximated to a normal distribution with mean
and standard deviation
.
This is valid no matter the shape of the population.
So the correct answer is:
(c) if n is large, then the sampling distribution of the sample mean can be approximated closely by a normal curve.
Answer:
Step-by-step explanation:
Given that the rectangle has a height = 2, and width of
Area of the whole rectangle can be calculated as:
Use the distributive property of multiplication by using 2 to multiply each term in the expression,