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The lengths of a certain species of fish are approximately normally distributed with a given mean Mu and standard deviation Sigma. According to the Empirical Rule, what percentage of the fish will have lengths within 1 standard deviation of the mean? 34% 47. 5% 68% 99. 7%.

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68% of the fish will have lengths within 1 standard deviation of the mean

Empirical rule states that for a normal distribution, 68% are within one standard deviation from the mean, 95% is within two standard deviation from the mean and 99.7% is within three standard deviation from the mean.

68% of the fish will have lengths within 1 standard deviation of the mean.

Find out more on Empirical rule at: https://brainly.com/question/10093236

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