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Tema [17]
3 years ago
7

Describe what the notation upper p left parenthesis upper b vertical line upper a right parenthesis represents. choose the corre

ct answer below.
a. the probability of event a​ occurring, given that event b has already occurred.
b. the probability of event b​ occurring, given that event a has already occurred.
c. the probability of event b or event a occurring.
d. the probability of event b and event a occurring
Mathematics
2 answers:
morpeh [17]3 years ago
8 0
The correct answer is b), the probability of B occurring given A has occurred.
OLEGan [10]3 years ago
3 0
Answer: The correct choice is B.

When you have a vertical line in a probability statement, it is referring to the fact that the second event has already happened.

Imagine, drawing marbles from a bag of blue and red marbles. You could write a probability statement in which you asked, "What is the probability of drawing a red marble given that you just drew a blue marble?" 

In this case, you would use a vertical line separating the two events.
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