Howard-Wolowitz
  • Howard-Wolowitz
Does anyone know how to do his? PLZ help me
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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kropot72
  • kropot72
1. Do you know the empirical rule for a normal distribution?
kropot72
  • kropot72
Your course should surely cover the empirical rule if you are expected to answer this type of question.
Howard-Wolowitz
  • Howard-Wolowitz
The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean. The empirical rule can be broken down into three parts: 68% of data falls within the first standard deviation from the mean. 95% fall within two standard deviations. 99.7% fall within three standard deviations.

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kropot72
  • kropot72
The following part of the empirical rule applies to your question part 1: 95% of the data points fall within the range plus and minus two standard deviations from the mean. In part 1, what is the value of two standard deviations?
kropot72
  • kropot72
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Howard-Wolowitz
  • Howard-Wolowitz
the first one is E and the seoncd one is D
kropot72
  • kropot72
Yes, you are correct.
Howard-Wolowitz
  • Howard-Wolowitz
Thakn you for your help! :)
kropot72
  • kropot72
You're welcome :)

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