I NEED HELP ASAP PLEASE! About what percentage of the data lies within 2 standard deviations of the mean in a normal distribution?
47.5%
68%
95%
99.7%

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Answer:

c: 95%

Step-by-step explanation:

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Using the Empirical Rule, it is found that about 95% of the data lies within 2 standard deviations of the mean in a normal distribution.

What is the Empirical Rule?

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

Hence, 95% is the answer for this question.

More can be learned about the Empirical Rule at https://brainly.com/question/24537145

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