Need help with percentiles

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Need help with percentiles
Message posted by Peter (via 64.228.103.73) on January 5, 2002 at 2:17 AM (ET)

The dean has decided to provide tuition scholarships to those students scoring above the 95th percentile on GPA. What GPA score qualifies a student for a scholarship?

Given: A random sample of college campus with X=GPA, the distribution of X is normal, mean=2.65, sx=0.35 GPA

READERS RESPOND:
(In chronological order. Most recent at the bottom.)

Re: Need help with percentiles
Message posted by JG (via 172.163.237.19) on January 5, 2002 at 3:07 AM (ET)

2.65 + 1.64*.35

Re: Need help with percentiles
Message posted by Peter (via 64.228.106.80) on January 6, 2002 at 12:16 AM (ET)

Can you explain where the 1.64 comes from?

Thanks,
Peter

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