A Random Variable with Density Function E^-x for X $\ge$ 0 Has an Exponential Distribution Whose Mean Is ____________________

question 163

Essay

A random variable with density function e^-x for x $\ge$ 0 has an exponential distribution whose mean is ____________________.

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Definitions:

Visible to Others

The concept or state of being able to be seen or perceived by others, often used in contexts related to privacy, social presence, or online visibility.

Irreversibility

A stage in cognitive development where a child believes that actions cannot be undone or returned to their original state.

Precausal Thinking

A cognitive process observed in young children where reasoning is not based on logical causality, but on intuition or superficial associations.

Egocentrism

The cognitive inability to understand that other people's views and perspectives are different from one's own.