SCENARIO 8-8 the President of a University Would Like to Estimate the Estimate

question 1

True/False

SCENARIO 8-8
The president of a university would like to estimate the proportion of the student population that owns a personal computer.In a sample of 500 students,417 own a personal computer.
-Referring to Scenario 8-8,we are 99% confident that between 79.11% and 87.69% of the student population own a personal computer.

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Definitions:

Electronically Controlled

Refers to systems or components regulated or operated through electronic signals and sensors rather than manual or mechanical means.

J1939 Data Bus

The physical neural network of a CAN 2.0 network bus using J1939 protocols consisting of a twisted two-wire pair, SA stubs, and two terminating resistors. Used as the primary powertrain bus even in systems using multiple auxiliary buses. Theoretically capable of speeds of up to 1 Mb/s but usually maxed out at 500 Kb/s in current applications.

ECU Output

The signals or commands sent out by an Engine Control Unit to various systems within a vehicle.

Refrigerant Condition

Refers to the state of the refrigerant in a cooling system, including its pressure, temperature, and phase (liquid or gas).