mikayla473 mikayla473

20-03-2020
Mathematics

contestada

if P( A or B) = 2/5, P(B)=1/4 and
P( A and B) = 1/10 find P(A)

Respuesta :

dishapatel dishapatel

20-03-2020

Answer:

p(a) = -3/20

Step-by-step explanation:

p ( a +b) = p(a)+p(b)

1/10= p(a) +1/4

1/10 - 1/4 = p(a)

p(a) = -3/20

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