elizabeththomas15 elizabeththomas15

18-06-2020
Mathematics

contestada

What’s the correct answer for this question ?

Whats the correct answer for this question class=

Respuesta :

ujalakhan18 ujalakhan18

18-06-2020

Answer:

B:

Step-by-step explanation:

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

0.5 = 0.4 + P(B) -0.2

P(B) = 0.5-0.4+0.2

P(B) = 0.3

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