The following table shows part of the probability distribution for a random variable x.
a.The mean of the above distribution is known to be 1.8 .
b.Compute the variance and the standard deviation for the above probability distribution.
Definitions:
Race and Class Stratification
The hierarchical organization of society based on racial and socioeconomic status, affecting individuals' opportunities, resources, and social mobility.
Sexual Behavior
Any behavior that involves sexual activity or expresses human sexuality, including sexual preferences, practices, and orientation.
Uncontrollable
describes something that cannot be controlled, managed, or influenced by actions or interventions, often leading to unpredictable outcomes or challenges.
Emma Goldman
A prominent anarchist political activist and writer known for her advocacy for free speech, women's rights, and labor rights during the late 19th and early 20th centuries.
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