Welcome to Westonci.ca, the Q&A platform where your questions are met with detailed answers from experienced experts. Get immediate answers to your questions from a wide network of experienced professionals on our Q&A platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

If A denotes some​ event, what does Upper A overbar

​denote? If ​P(A)equals
0.991​,
what is the value of ​P(Upper A overbar
​)?