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:

Participant Observation

A qualitative research method where the researcher immerses themselves in a group to observe and participate in its activities.

Strengths and Weaknesses

Strengths and weaknesses refer to the internal factors and characteristics that support or hinder a person's ability to achieve their goals and objectives.

Experimental Method

A scientific approach to research where variables are manipulated to observe their effects on other variables, often used to test hypotheses.

Survey Research

A research method that involves collecting data from a predefined group of respondents by using a structured questionnaire or interview to gather insights or measure attitudes.