These 12 shapes are put into a bag. If you reach
1 answer:
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Answer:
Step-by-step explanation:
Let A and B events. We have defined the probabilities for some events:
Where A' represent the complement for the event A
The complement rule is a theorem that provides a connection between the probability of an event and the probability of the complement of the event. Lat A the event of interest and A' the complement. The rule is defined by:
So for this case we can solve for P(A) like this:
And now we can find using the total probability rul given by:
And if we replace the values given we got:
And that would be the final answer.