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Author Question: The mean replacement time for a random sample of 12 cd players is 8.6 years with a standard ... (Read 57 times)

wenmo

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The mean replacement time for a random sample of 12 cd players is 8.6 years with a standard deviation of 4.9 years. Construct the 98% confidence interval for the population variance, σ2. Assume the data are normally distributed
◦ (10.7, 86.5)
◦ (2.2, 17.7)
◦ (3.3, 9.3)
◦ (10.1, 74.0)


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Marked as best answer by wenmo on Jan 16, 2020

Missbam101

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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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wenmo

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Reply 2 on: Jan 16, 2020
YES! Correct, THANKS for helping me on my review


cici

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Reply 3 on: Yesterday
Excellent

 

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