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Category > Statistics Posted 08 May 2017 My Price 4.00

A newspaper article reported that the mean mathematics

A newspaper article reported that the mean mathematics score on SAT for students from a local high school was 500 and that 20% of the students scored below 430. Assume that the SAT scores for students from this school follow a normal distribution.

a. Find the standard deviation of the mathematics SAT scores for students from this school.

b. Find the percentage of students at this school whose mathematics SAT scores were above 520.

 

Answers

Alpha Geek
(8)
Status NEW Posted 08 May 2017 08:05 AM My Price 4.00

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file 1494233501-Answer.docx preview (126 words )
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