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Author Question: For a population of 4000 students taking the SAT math exam, the scores on the exam have an ... (Read 77 times)

kaid0807

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on: May 5, 2020

Question 1

For a population of 4000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean μ = 610 and standard deviation σ = 60.

Approximately how many students scored between 490 and 730?
◦ 2720
◦ 3800
◦ 3000
◦ 3900
◦ none of these

Question 2

For a population of 4000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean μ = 610 and standard deviation σ = 60.

Approximately how many students scored below 730 points?
◦ 3900
◦ 2720
◦ 3800
◦ 3000
◦ none of these
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Marked as best answer by kaid0807 on May 5, 2020

nmyers

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Reply #1 on: May 5, 2020
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kaid0807

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Reply 2 on: May 5, 2020
Wow, this really help

amandanbreshears

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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