The Number of Road Construction Projects That Take Place at Any

question 48

Multiple Choice

The number of road construction projects that take place at any one time in a certain city follows a Poisson distribution with a mean of 6. Find the probability that exactly four road construction projects are currently taking place in this city.

• A) 0.133853
• B) 0.032968
• C) 0.423040
• D) 0.104196

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Definitions:

XIC Instruction

In Ladder Logic programming for PLCs, an instruction representing "Examine If Closed"; used to check if a contact is on.

Physical Input

An actual, tangible input (such as a button press or sensor signal) received by a device or system.

Input Voltage

The electrical voltage supplied to the inputs of a device or circuit.

Contact Instruction

Instructions related to the physical or logical connection or interaction between two or more components or systems.