Let X Be a Random Variable with the Following Distribution

question 63

Short Answer

Let x be a random variable with the following distribution:
Round your answer to three decimal places, if necessary.
a. Find the expected value of x.
______________
b. Find the standard deviation of x.
______________
c. What is the probability that x is further than one standard deviation from the mean?
______________

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Definitions:

Local Environment

The immediate physical surroundings, conditions, and influences affecting the ecosystems or community at a particular location.

Community Psychology

A branch of psychology focused on understanding relationships between individuals and their communities, aiming to enhance quality of life through collaborative research and action.

Preventive

Actions or strategies taken in advance to stop something undesirable from happening, often related to health and safety.

Behavioral

Relates to the actions or reactions of an individual or group in response to external or internal stimuli.