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Author Question: For a population of 2000 students taking the SAT math exam, the scores on the exam have an ... (Read 37 times)

P68T

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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 more than 570 points?
◦ 3360
◦ 2720
◦ 3000
◦ 1000
◦ none of these

Question 2

For a population of 2000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean μ = 590 and standard deviation σ = 70.

Approximately how many students scored between 450 and 730?
◦ 1994
◦ 1950
◦ 1900
◦ 1360
◦ none of these


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Marked as best answer by P68T on May 5, 2020

Madisongo23

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P68T

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


daiying98

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Reply 3 on: Yesterday
Gracias!

 

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