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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 students are older than
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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 students are older than 16.5 years old?

A. 12.1%
B. 86.4%
C. 87.9%
D. 13.6%

User Wapgui
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8 votes

i think the final answer is 13.6%

User Per Stilling
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