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Author Question: A local bank needs information concerning the savings account balances of its customers. A random ... (Read 485 times)

berenicecastro

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on: Jan 16, 2020
A local bank needs information concerning the savings account balances of its customers. A random sample of 15 accounts was checked. The mean balance was $686.75 with a standard deviation of $256.20. Find a 98% confidence interval for the true mean. Assume that the account balances are normally distributed. Round to the nearest cent.
◦ ($487.31, $563.80)
◦ ($326.21, $437.90)
◦ ($238.23, $326.41)
◦ ($513.17, $860.33)
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Marked as best answer by berenicecastro on Jan 16, 2020

trampas

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Reply #1 on: Jan 16, 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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Angelica Illades

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Reply #2 on: Dec 7, 2020
thank you


grantallen51

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Reply #3 on: Dec 9, 2020
thank yuu
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