The Number of Lightning Strikes in a Year at the Top

question 65

Multiple Choice

The number of lightning strikes in a year at the top of a particular mountain has a Poisson distribution with a mean of 3.9. Find the probability that in a randomly selected year, the number of lightning strikes is 2.

• A)0.2617
• B)0.1539
• C)0.0128
• D)0.2001

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Definitions:

Stimulus

An external event or factor that elicits a response from a biological organism.

Visual Images

Mental representations of physical objects or scenes that are not currently being perceived by the senses.

Self-Referent Encoding

A memory enhancement strategy involving processing information by relating it to oneself.

Spreading Activation

A method for searching associative networks, neural networks, or semantic networks, where a stimulus activates specific nodes, which in turn activate related nodes.