- #1

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a. find the percentage of students scoring less than 650

b. find the percentage scoring between 500 and 780

c. if you were told that a student scored in 97th percentile, what could you say about that students score?

thanks in advance

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- Thread starter tempface7
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- #1

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a. find the percentage of students scoring less than 650

b. find the percentage scoring between 500 and 780

c. if you were told that a student scored in 97th percentile, what could you say about that students score?

thanks in advance

- #2

Moonbear

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Science Advisor

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You need to show your own attempts at a solution before you can get help.

- #3

- #4

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Just look at this picture and you should be able to see how to answer your questions, if you are at all familar with the normal distribution (which your question seems to be about).

http://upload.wikimedia.org/wikipedia/commons/8/8c/Standard_deviation_diagram.svg

http://upload.wikimedia.org/wikipedia/commons/8/8c/Standard_deviation_diagram.svg

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