Suppose Bank of America Would Like to Investigate If the Credit

question 38

Multiple Choice

Suppose Bank of America would like to investigate if the credit score and income level of an individual are independent of one another.Bank of America selected a random sample of 400 adults and asked them to report their credit score range and their income range.The following contingency table presents these results. The expected number of individuals with income between $50,000 and $100,000 and a credit score less than 650 is ________.

• A) 30.0
• B) 32.5
• C) 37.5
• D) 60.0

Describe the functions and operations of PLC input and output interface modules.

Understand the compatibility and programming limitations of hand-held programming terminals across different PLC manufacturers.

Differentiate between discrete, digital, BCD, and analog signals in the context of PLC settings.

Know the various devices that can provide discrete inputs to a PLC.