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Author Question: Apply the 68-95-99.7 rule to answer the question.The amount of Jen's monthly phone bill is normally ... (Read 45 times)

Jramos095

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on: Jan 18, 2020

Question 1

Apply the 68-95-99.7 rule to answer the question.

The amount of Jen's monthly phone bill is normally distributed with a mean of $78 and a standard deviation of $10. What percentage of her phone bills are between $48 and $108?
◦ 99.9%
◦ 68%
◦ 95%
◦ 99.7%

Question 2

Apply the 68-95-99.7 rule to answer the question.

The amount of Jen's monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10. What percentage of her phone bills are between $40 and $60?
◦ 34%
◦ 95%
◦ 99.7%
◦ 68%
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Marked as best answer by Jramos095 on Jan 18, 2020

ciecieme

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Reply #1 on: Jan 18, 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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Jramos095

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Reply 2 on: Jan 18, 2020
Excellent

bbburns21

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Reply 3 on: Yesterday
Wow, this really help

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