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There are three independent events with probabilities of 1/3, 2/7, and 1/5. Find the probability that: Exactly one event will happen.

 Jun 12, 2021

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 #1
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Say that the first one does happen.  What are the probabilities that the others 2 won't happen?  (Do them seperately)

Multiply the three probs together.

 

Then do the same for the second one.  etc

 

when you have done all three, add your answers together.

 Jun 12, 2021
 #1
avatar+114940 
+2
Best Answer

Say that the first one does happen.  What are the probabilities that the others 2 won't happen?  (Do them seperately)

Multiply the three probs together.

 

Then do the same for the second one.  etc

 

when you have done all three, add your answers together.

Melody Jun 12, 2021

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