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Author Question: In developing a confidence interval estimate for the population mean, the t-distribution is used to ... (Read 94 times)

daltonest1984

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on: Jun 24, 2018
In developing a confidence interval estimate for the population mean, the t-distribution is used to obtain the critical value when:
 
  A) the sample contains some extreme values that skew the results.
  B) the population standard deviation is unknown.
  C) the sampling that is being used is not a statistical sample.
  D) the confidence level is low.

Question 2

A typical charity raffle involves selling one thousand 50 tickets to win a 30,000 grand prize. If the probability of winning is only 0.002, what is the expected payoff?
 
  A) (35.50 )
  B) 25.65
  C) (50.25 )
  D) 10.10
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
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Jane

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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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daltonest1984

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Reply 2 on: Jun 24, 2018
Gracias!

sultana.d

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Reply 3 on: Yesterday
Wow, this really help

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