I have just a little question about this : If I toss a coin 5 times, what is the probability of getting 4 tails and 1 head ? I think the answer is 5/32 ? Is this any good ? THanks
5/32 is correct.
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Omg im happy to know that because in my book it says its 4/32 ?!? And here is another one, what is the prob that it will land 3 times on head and 2 times on tails ? I got 9/32 but in my book it says 8/32 ?!? There is always 1 of difference, we could say it's an error ? Thanks !
Welcome to the forum.
Stay on-line. I'm just working it out.
1 5 10 10 5 1
It should be 10/32
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oh yes you're right. i noticed i missed one, so thanks ! finaly, my book wasnt right ! thanks you two !
Both of those are binomial distribution problems. What is the name of the book?
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.