Customers Arrive According to a Poisson Distribution

question 54

Multiple Choice

Customers arrive according to a Poisson distribution.The average number of customer arrivals per hour is two.The probability that five customers will arrive in the next three hours is:

• A)less than or equal to 0.10.
• B)greater than 0.10 but less than or equal to 0.12.
• C)greater than 0.12 but less than or equal to 0.14.
• D)greater than 0.14.

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Definitions:

Active Transport

The movement of substances across cell membranes against a concentration gradient, requiring energy input typically from ATP.

Diffusion

The process by which molecules move from an area of higher concentration to an area of lower concentration, contributing to the movement of substances within and between cells.

Osmotic Pressure

The pressure that needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.

Cytoplasm

The material within a living cell, excluding the nucleus, containing organelles in a fluid matrix.