probability 2 people born on same day out of group of 4

[native wedge]

hi

is it just

binomial dsitribution

n=3

p=1/7

X=1 and Q=2 (1 success and 2 failures)

i picked 3 not 4 bcs its given one guy starts - who cannot fail opr succeed bcs he is what is compared to

[nocturne jasper]

yh that looks fine

where did q come from