yaso3
yaso3 yaso3
  • 03-09-2017
  • Mathematics
contestada

X and Y are two mutually exclusive events. P(X)= 0.55 and P(X or Y)=0.7. Work out P(not Y) (2 marks)

Respuesta :

mreijepatmat
mreijepatmat mreijepatmat
  • 03-09-2017

P(x) = 0.55

P(x ∪ y) = 0.70  →→ P(x) +P(y) = 0.70 →→ 0.55 + P(y) =0.70→→P(y) = 0.15
If P(NOT y) = 1- 0.15 = 0.85

Answer Link

Otras preguntas

How did Bessie Coleman refuse to accept the limitations that others tried to place on her
Solve 4+n-9=-9+1+2n+12
Please show me how you got the answer thanks.
Anne et soeur _____ au parc
An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis). What should the span of the b
last year Terry earned 19,436. this year Terry got a raise that increased her income to 23,457 How much more money did Terry make this year? if Terry get a the
I am blind. Try to tell me what the world is like through your eyes so I can try to visualize.
Although most of this speech focuses on iraq and kuwait, what domestic issues does president bush also address? how are those issues linked to the situation in
rationing exist because of
The body that is responsible for dating the beginning and ending dates for a recession is