An unbiased coin is tossed 5 times. Find the chance that head will appear exactly 3 times
u can use fractions or percents
cant understand
there are 10 coins the chances of getting 5 heads out of 10 would be 5/10 =1/2
the 10 being a denominator and the 5 being the nominator 5is the chances out of 10
so 3/5 ah
yes fractions or there are percents
the answer is 5/16
probably i'm not really good with this but yes make sure u put both on the paper by using the equal sign after your first fraction and then the 5/16 after the equal sign
k
so any q.?
In a party every person shakes hands with every other person. If there were a total of 120 handshakes in the party then what is the number of persons present in the party?
wow ,hmmm.....let me think
huh i came up with something but, it's not the correct number of handshakes it's one more handshake then counted for
did u hav any thoughts for it??
don't divide it in half but try x numbers but they have to be the same number timing like 10x10=100
yes.
its15
or 16
the # ur trying to get is 120
15into16 is 120
i tryed 11x11 and got 121
thanks a lot
make sure u close this q. and ur welcome
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