So, turns out I'm really not that good at probability
Joanna needs a book to prop up a table leg. She randomly selects a book, puts it back on the shelf, and selects another book. What is the probability that Joanna selected two math books?
There are 17 books total, and 8 books are math, 4 books are science and 5 books are history books .

Question

So, turns out I'm really not that good at probability
Joanna needs a book to prop up a table leg.  She randomly selects a book, puts it back on the shelf, and selects another book.  What is the probability that Joanna selected two math books?
There are 17 books total, and 8 books are math, 4 books are science and 5 books are history books .

loser66 · Answer

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loser66 · Answer

After taking it out, she puts it in again, that is at the second time around, the situation happens again without being affected by the first time. Got me?

loser66 · Answer

so just time them together to get the probability of both are math book

anonymous · Answer

So multiply 2/17 by itself?

anonymous · Answer

sorry for the whole late response thang o.o didn't notice you there !!

loser66 · Answer

8/17, not 2/17?

anonymous · Answer

ohh yeah ok gotchu !! thanks ! :)