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Author Question: 150 students in a math class take the final exam. The scores on the exam have an approximately ... (Read 553 times)

bio_gurl

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on: May 5, 2020

Question 1

150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean μ = 65 and standard deviation σ = 10.

Approximately how many students had test scores with standardized values between -0.675 and 1?
◦ 75
◦ 88
◦ 37
◦ 140
◦ none of these

Question 2

150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean μ = 65 and standard deviation σ = 10.

Approximately 95% of the class scored between
◦ 45 and 85.
◦ 65 and 85.
◦ 0 and 85.
◦ 35 and 95.
◦ none of these
Excursions in Modern Mathematics ¦ Tannenbaum ¦ 9th Edition
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Marked as best answer by bio_gurl on May 5, 2020

Ksh22

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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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Only 64% of students answer this correctly


bio_gurl

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Reply 2 on: May 5, 2020
Excellent

gcook

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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