Topscore Math Thread

[SloppyJoe]

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Since there is no solution to the CD. I want to start a threat specifically for the math problems. THat way we can help each other.


I go first!


what's the probability of tossing 6 tails out of nine tosses for a fair coin?


a. 21/128

b. 21/64

c. 84/128

d. 22/64

e. 42/64

 

[DrTacoElf]

Hint: use binomial equation 😀

 

[SloppyJoe]

hmm......i don't like hints, What is the binomial equation?

 

[x-linked]

c96 over 2 power 9

 

[x-linked]

c96 = 9*8*7*6*5*4*/ 6*5*4*3*2*1

 

[Lilith]

Check out this link:

http://math.youngzones.org/pascal_prob.html