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Author Question: Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 15 ... (Read 193 times)

Mr.Thesaxman

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on: Feb 28, 2021
Solve the problem.

Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 15 trains per hour per minute). The following formula from statistics can be used to determine the probability that a train will arrive within t minutes of 7:00 AM.
F(t) = 1 - e-0.25t
Determine how many minutes are needed for the probability to reach 90%.
◦ 2.97 min
◦ 0.38 min
◦ 9.21 min
◦ 4.53 min
Precalculus ¦ Sullivan ¦ 10th Edition
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Marked as best answer by Mr.Thesaxman on Feb 28, 2021

poopface

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Reply #1 on: Feb 28, 2021
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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Mr.Thesaxman

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Reply 2 on: Feb 28, 2021
:D TYSM

kishoreddi

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Reply 3 on: Yesterday
Excellent

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