STATISTICAL TECHNIQUES AND TOOLS
SAMPLING DISTRIBUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The mean and standard deviation of a population are 200 and 20, respectively. If 25 data points are selected from this population at random, what is the probability that they have a sample mean of less than 190?
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69%
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0.6%
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31%
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99%
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Explanation:
There is 1 question to complete.