STATISTICAL TECHNIQUES AND TOOLS
SAMPLING DISTRIBUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A group of 625 students has a mean age of 15.8 years with a standard deviation of 0.6 years. The ages are normally distributed. What is the probability that a randomly selected student is older than 16.5 years old?
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0.864
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0.879
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0.121
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None of these
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Explanation:
Detailed explanation-1: -A group of 625 students has a mean age of 15.8 years with a standard deviation of 0.6 years. The ages are normally distributed.
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