Plz help with permutation and combination (S1 9709 Paper 6 ) !!!

[Asif1223]

How to solve permutation and combination guyz... Any tutorials or notes wud be really helpful ... Plz guyz its urgent!!!!

 

[AreebaKausar]

How to solve permutation and combination guyz... Any tutorials or notes wud be really helpful ... Plz guyz its urgent!!!!

My permutation is weakest too.. I am gonna lose my marks

 

[Usman.Cyberic]

How to solve permutation and combination guyz... Any tutorials or notes wud be really helpful ... Plz guyz its urgent!!!!

https://www.mathsisfun.com/combinatorics/combinations-permutations.html
http://betterexplained.com/articles/easy-permutations-and-combinations/

 

[Asif1223]

My permutation is weakest too.. I am gonna lose my marks

I have already seen this video but can not even solve the problem. Yeah it is of some help but u can not solve the past paper questions since they are too high level

 

[Asif1223]

https://www.mathsisfun.com/combinatorics/combinations-permutations.html
http://betterexplained.com/articles/easy-permutations-and-combinations/

Thanks Usman. May Allah bless you so that u can get good grades

 

[Hala Ezzat]

Whens your statistics exam guys?

 

[awesomaholic101]

Whens your statistics exam guys?

Friday

 

[Hala Ezzat]

As in time ;P

 

[AreebaKausar]

As in time ;P

PM

2 pst

 

[AreebaKausar]

I still find it so hard, there are so many different kind of questions. women together not together, at ends, how many digits if multiple etc etc

Can anyone help

 

[Hala Ezzat]

I still find it so hard, there are so many different kind of questions. women together not together, at ends, how many digits if multiple etc etc

Can anyone help

Same, I guess its just something you would have to figure out yourself something like the chain rule

 

[awesomaholic101]

I still find it so hard, there are so many different kind of questions. women together not together, at ends, how many digits if multiple etc etc

Can anyone help

Maybe if you gave particular questions that u don't get, I can try solving em.

 

[Hala Ezzat]

J12 P6 Q1 , the one with sum and shit

 

[awesomaholic101]

J12 P6 Q1 , the one with sum and shit

Which variant??

 

[Hala Ezzat]

Variant 62

 

[awesomaholic101]

 

[Hala Ezzat]

Thanks but what is this specific topic or rule called?

 

[awesomaholic101]

Thanks but what is this specific topic or rule called?

It is simply using the calculation and theory formulae of standard deviation ... And the mean is involved too ...
No particular rule as such ... Just substitution into those formulae