Qualification > Math

S1 and S2 DOUBTS HERE!!!!

<< < (13/73) > >>

khi2ruh:
hey im stuck!!

n09 Q5 (a) (i) (ii) and b (ii)

Saladin:

--- Quote from: khi2ruh on May 26, 2010, 01:29:14 am ---hey im stuck!!

n09 Q5 (a) (i) (ii) and b (ii)

--- End quote ---

Sorry m8, I do Edexcel.

Sweet_03:
Hello , can someone plz help

June2005
Q7 (d)

P( sci | RH ) = P(sci 'n' RH) / P(RH) = (24÷110)/ (110÷148)
thats wat i did , but obviously its wrong
how do you find P(sci 'n' RH) ???

Saladin:

--- Quote from: Sweet_03 on May 26, 2010, 09:17:33 am ---Hello , can someone plz help

June2005
Q7 (d)

P( sci | RH ) = P(sci 'n' RH) / P(RH) = (24÷110)/ (110÷148)
thats wat i did , but obviously its wrong
how do you find P(sci 'n' RH) ???

--- End quote ---

On it now, will be finished soon iA.

Saladin:

--- Quote from: Sweet_03 on May 26, 2010, 09:17:33 am ---Hello , can someone plz help

June2005
Q7 (d)

P( sci | RH ) = P(sci 'n' RH) / P(RH) = (24÷110)/ (110÷148)
thats wat i did , but obviously its wrong
how do you find P(sci 'n' RH) ???

--- End quote ---

This is how you do it.

(c)You have to find the number of people that are right handed.



So, there are a total of right handers, and a total of students.

So,

(d) This is basically asking, out of 110 right handers, what is the probability that it will be a science student?

So, the number of science students that are right handed, are

Now,

Navigation

[0] Message Index

[#] Next page

[*] Previous page