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Author Question: A random sample of 35 business students required an average of 50.7 minutes to complete a statistics ... (Read 120 times)

fagboi

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on: Jun 24, 2018
A random sample of 35 business students required an average of 50.7 minutes to complete a statistics exam. Assume that the population standard deviation to complete the exam was 10.4 minutes.
 
  The 99 confidence interval around this sample mean is ________.A) (43.7, 57.7)
  B) (48.9, 52.5)
  C) (48.1, 53.3)
  D) (46.2, 55.2)

Question 2

ClearBags is an online company that sells packaging materials for photographers. Suppose their average order size is 208.19 with a standard deviation of 53.44. A random sample of 35 customer orders has been selected.
 
  The standard error of the mean for this sample is ________.A) 5.11
  B) 7.30
  C) 9.03
  D) 11.35
Business Statistics ¦ Donnelly ¦ 2nd Edition
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cat123

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Reply #1 on: Jun 24, 2018
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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fagboi

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Reply 2 on: Jun 24, 2018
Gracias!

komodo7

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Reply 3 on: Yesterday
Wow, this really help

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