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Let the Lifetime of a New Jet Ski Be Represented

question 25

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Let the lifetime of a new Jet Ski be represented by a lognormal variable, Y = eX where X is normally distributed. Let the mean of the lifetime of the Jet Ski be six years with a standard deviation of three years. What proportion of the Jet Skis will last nine or more years?


Definitions:

Cults

Cults are groups that often exhibit extreme or unethical devotion or dedication to a specific figure, set of beliefs, or objectives, frequently isolating members from outside influences.

Stanley Milgram

An American social psychologist best known for his controversial experiment on obedience conducted in the 1960s, highlighting how people are willing to follow orders given by authority figures.

Obedience

The act of following orders or instructions from authority figures.

Conformity

The action of adjusting one's behavior or thinking to match those of others or to adhere to societal standards.

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