**Contingency Table Analysis**This data represents a study on smoking behavior during pregnancy, categorized by the mother's education level.**Contingency Table:**| Mother's Education | Smoked during Pregnancy | Didn't Smoke during Pregnancy | Row Total ||--------------------|--------------------------|------------------------------|-----------|| Below High School | 393 | 640 | 1,033 || High School | 568 | 1,370 | 1,938 || Some College | 121 | 635 | 756 || College Degree | 48 | 559 | 598 || **Col Total** | **1,122** | **3,190** | **4,317** |**Question:**What is the probability that a mother in the study smoked during pregnancy?- **Total number of mothers who smoked during pregnancy:** 1,122- **Total number of mothers in the study:** 4,317**Probability Calculation:**\[ P(\text{Smoked during Pregnancy}) = \frac{1,122}{4,317} \]**Multiple Choice Options:**- 0.07401- 0.3174- 0.2599- 0.5000**Conclusion:**The correct calculation for the probability is obtained by dividing the number of mothers who smoked during pregnancy by the total number of mothers in the study.

We want to find the probability that a mother in the study smoked during pregnancy

Answered: Given the contingency table shown here,…

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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Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly selected, what is the probability that th subject is not lying? Is the result close to the probability of 0.460 for a negative test result? Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) O Positive test results 15 39 Negative test results 34 12 The probability that a randomly selected polygraph test subject was not lying is (Type an integer or decimal rounded to three decimal places as needed.) Is the result close to the probability, rounded to three decimal places, of 0.460 for a negative test result? because there is a 0.050 absolute difference between the probability of a true response and the probability of a negative test result.
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The table below summarizes a survey involving the relationship between living arrangements and grade point average for a group of students. If a student is selected randomly from this group, what is the probability that the student lives off campus? On Campus At home Apartment Totals Below 2.5 97 38 44 179 2.5 to 3.5 66 26 22 114 Over 3.5 18 5 8 31 Totals 181 69 74 324

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