Question

A and B are the only two outcomes of an event probability of P(a) equal to 0. 72 then what will be the probability of P(b)

Answer 1

Answer:

Step-by-step explanation:

P(A)+P(B)=1

0.72+P(B)=1

P(B)=1-0.72

P(B)=0.28

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Answer 2

Answer:

1-0.72 = 0.28

Step-by-step explanation

P(favourable event ) + P(unfavourable event)  = 1

Using the formula above

P(a) + P(b)=1

0.72 + P(b) = 1

P(b) = 1 - 0.72

P(b) = 0.28

Hope you get it

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