SOLUTION: In an standardized test the mean score of students is 560 and a standard deviation of 15. Find the lowest score if the test is designed to pass at least 95% of the students populat

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Question 404101: In an standardized test the mean score of students is 560 and a standard deviation of 15. Find the lowest score if the test is designed to pass at least 95% of the students population
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
P%28Z+=+%28X+-+560%29%2F15+%3C=++-1.645%29++=+0.05%29 ==> %28X+-+560%29%2F15+%3C=+-+1.645+
==> X - 560 = -24.675, or 535.325, the lowest passing score.