Question 1165569: A baby has five naira note,twenty naira note and fifty naira note in his pocket.What is the probability of picking a twenty naira note if he pocks randomly
Found 2 solutions by solver91311, ikleyn:
Answer by solver91311(24713)   (Show Source):
You can put this solution on YOUR website!
Since this is a baby doing the picking, there is no guarantee that s/he will pick only one of the notes if they are all in the same pocket, so the possibilities are
5, 20, 50, 5 & 20, 20 & 50, 5 & 50, or 5 & 20 & 50.
Seven different ways, four of which have a 20 in them, so 4/7.
John
My calculator said it, I believe it, that settles it
I > Ø
Answer by ikleyn(52776)  (Show Source):
You can put this solution on YOUR website! .
It depends on the number of notes the baby is piking from the pocket at a time.
Learn how to formulate your problem/problems (question/questions) accurately.
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