Qualification > Math
S1 and S2 DOUBTS HERE!!!!
ashish:
there are 6 boys and 3 women ..
how many possible ways are there if no 2 women are standing next to each other?
ans : 151200
astarmathsandphysics:
here
ashish:
--- Quote from: astarmathsandphysics on February 10, 2011, 01:40:34 pm ---here
--- End quote ---
thank you sir i got it now
Saavya:
Hello :) im taking cie s1 and wondering if u know the way to find standard deviation on calculator , i use casio fx-991es and cant find any help on web :-\
EMO123:
A coin is tossed 10 times
(a) How many different sequences of heads and tails are possible.
(b) How many different sequences containing six heads and four tails are possibles.
(c) What is the probability of getting six heads and four tails.
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