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

Question

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

Quizplus · Accepted Answer

The Answer of 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

Suppose Bank of America Would Like to Investigate If the Credit