there are 27 students on the college debate team what 's the pobability ...

u00999

Help...

1. The problem statement, all variables and given/known data

there are 27 students on the college debate team what 's the pobability that at least 5 of them have their birthday in the same month??

2. Relevant equations

3. The attempt at a solution

rootX

Please show

2. Relevant equations

3. The attempt at a solution

Helicobacter

Sum from x=5 to x=27 of
Choose(27,x)*(1/12)^x*(11/12)^27-x

Can anybody confirm?

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u00999	there are 27 students on the college debate team what 's the pobability ... Tweet Help... 1. The problem statement, all variables and given/known data there are 27 students on the college debate team what 's the pobability that at least 5 of them have their birthday in the same month?? 2. Relevant equations 3. The attempt at a solution

rootX Blog Entries: 14	Please show 2. Relevant equations 3. The attempt at a solution

Helicobacter	Sum from x=5 to x=27 of Choose(27,x)(1/12)^x(11/12)^27-x Can anybody confirm?