14-08-2019
Mathematics

contestada

If P(B) = 0.3, P(A and B) = 0.5, find P(A).

Respuesta :

Iyanse1277 Iyanse1277

14-08-2019

Answer:

P(A)=0.2

Step-by-step explanation:

P(A and B)= P(A) + P(B)

since P(B)=0.3 then replace P(B) for 0.3

since P(A) + 0.3 = 0.5, then

P(A)= 0.5 - 0.3

P(A)=0.2

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