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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 90 times)

P68T

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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 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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Reply #1 on: May 5, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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P68T

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Reply 2 on: May 5, 2020
Great answer, keep it coming :)

jackie

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Reply 3 on: Yesterday
Excellent

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