Of the Delegates at a Convention, 60% Attended the Breakfast

question 48

Short Answer

Of the delegates at a convention, 60% attended the breakfast forum, 70% attended the dinner speech, and 40% attended both events.
a. If a randomly selected delegate is known to have attended the dinner speech, what is the probability he or she also attended the breakfast forum?
______________
b. What is the probability that a randomly selected delegate either attended the breakfast forum, or attended the dinner speech, or attended both?
______________

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Definitions:

Large Intestine

The final section of the digestive system responsible for water absorption and feces formation.

Mesenteries

Folds of the peritoneum that attach the intestines to the posterior abdominal wall, providing support and containing blood vessels and nerves.

Peritoneal Membrane

A thin layer of tissue lining the abdominal cavity and covering abdominal organs, involved in peritoneal dialysis.

Bile

A digestive fluid secreted by the liver and stored in the gallbladder, used in the digestion of lipids.