THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 112

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Chebyshev's theorem is used to approximate the proportion of observations for any data set,regardless of the shape of the distribution.Assume that a distribution has a mean of 255 and standard deviation of 20.
-Approximately what proportion of the observations is between 215 and 295?

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Definitions:

Present

The period of time now occurring or being considered, often distinguished from the past and future.

Past

Refers to all events, experiences, and actions that have occurred before the present time, shaping historical context and individual or collective memories.

Future

The time or a period of time following the moment of speaking or writing; time regarded as still to come.

Mindfulness

The practice of being aware and present in the moment without judgment.