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Author Question: Which of the following is not true for a normal distribution? A) The curve for a normal ... (Read 94 times)

jho37

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on: Jun 24, 2018
Which of the following is not true for a normal distribution?
 
  A) The curve for a normal distribution is symmetric.
  B) One-third of the total area falls above the mean.
  C) The tails of the distribution extend to negative and positive infinity.
  D) 99 of the area lies within 3 standard deviations of the mean.

Question 2

The standard deviation for the checking account balances is assumed known to be 357.50. Recently, a bank manager was interested in estimating the mean balance.
 
  To do this, she selected a random sample of 81 accounts and found a mean balance of 1,347.20. At a 95 percent confidence level, the lower limit for the confidence interval is 646.50. Indicate whether the statement is true or false
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
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C.mcnichol98

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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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jho37

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Reply 2 on: Jun 24, 2018
Excellent

isabelt_18

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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