The lengths of a certain species of fish are approximately normally distributed with a given mean and standard deviation. According to the Empirical Rule, what percentage of the fish will have lengths within 1 standard deviation of the mean?

a) 34%
b) 47.5%
c) 68%
d) 99.7%

The empirical rule states that most of the data will be within three standard deviations in a normal distribution. The 68% of the data will be within one standard deviation, the 95% will be within two standard deviations, and 99.7% of the data will be within three standard deviations.

A normal distribution is a continuous distribution in which values around the mean are the most frequents. It can also be called a bell-shaped distribution.

cooper6699 cooper6699 · Answer 2 · 2021-02-16T21:54:17+01:00

cooper6699 cooper6699

16-02-2021

Answer:

c

Step-by-step explanation:

c) 68%

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The lengths of a certain species of fish are approximately normally distributed with a given mean and standard deviation. According to the Empirical Rule, what percentage of the fish will have lengths within 1 standard deviation of the mean? a) 34% b) 47.5% c) 68% d) 99.7%

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The lengths of a certain species of fish are approximately normally distributed with a given mean and standard deviation. According to the Empirical Rule, what percentage of the fish will have lengths within 1 standard deviation of the mean?

a) 34%
b) 47.5%
c) 68%
d) 99.7%