Given the contingency table shown here,what is the probability that a mother smoked during pregnancy or that she graduated from college? 
Definitions:
Written Communication
Written Communication is the exchange of messages or information in written form, utilizing consistent conventions of language and structure to convey meaning effectively.
Business Messages
Business messages are communications conveyed through various mediums such as emails, letters, reports, or presentations, intended for business purposes.
Oldest Form
The earliest version or type of something, particularly referring to cultural or historical practices and artifacts.
Formal Writing
A type of writing that adheres to traditional standards and is structured, serious, and objective in tone.
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