The expected number of individuals with income between $50,000 and $100,000 and a credit score less than 650 is ________. Multiple Choice 23.5 26.0 31.0
The expected number of individuals with income between $50,000 and $100,000 and a credit score less than 650 is ________. Multiple Choice 23.5 26.0 31.0
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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
Credit Score | |||
Class | Less than 650 | 650–750 | More than 750 |
Income < $50,000 | 30 | 24 | 27 |
$50,000 ≤ Income < $100,000 | 42 | 47 | 38 |
$100,000 ≤ Income < $150,000 | 49 | 35 | 26 |
Income ≥ $150,000 | 27 | 29 | 26 |
The expected number of individuals with income between $50,000 and $100,000 and a credit score less than 650 is ________.
Multiple Choice
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23.5
-
26.0
-
31.0
-
47.0
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