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Mathematics 10 Online
OpenStudy (timaashorty):

Please help me.

OpenStudy (ankit042):

# students in club 39 # ways to pick two students at random 39C2 #ways when Teesha is not picked = 38C2

OpenStudy (ankit042):

prob she will not be picked = #ways when Teesha is not picked / all the cases

OpenStudy (timaashorty):

38C2 / 39?

OpenStudy (ankit042):

Noooo 38C2/39C2

OpenStudy (timaashorty):

which equals 0.9744 or 97% or 38/39?

OpenStudy (ankit042):

Yes it is 38/39

OpenStudy (timaashorty):

Thank you!

OpenStudy (timaashorty):

can you help me with one more?

OpenStudy (ankit042):

np :) Sure!

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