During Off-Hours, Cars Arrive at a Tollbooth on the East-West

question 31

Multiple Choice

During off-hours, cars arrive at a tollbooth on the East-West toll road at an average rate of .5 cars per minute. The arrivals are distributed according to a Poisson distribution. What is the probability that during the next minute, three cars will arrive?

• A) .9856
• B) .3033
• C) .0126
• D) .8956

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Definitions:

Twin-Study Design

A research method that compares the behaviours and traits of monozygotic (identical) and dizygotic (fraternal) twins to understand the influence of genetics versus environment.

Monozygotic Twins

Twins derived from a single fertilization event, resulting in siblings with identical genetic material.

Dizygotic Twins

Twins resulting from the fertilization of two different eggs by two different sperm, sharing 50% of their genes, similar to ordinary siblings.

Genetic Influence

The impact of genes inherited from parents on the traits and behaviors of an individual.