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29-01-2020
Social Studies

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If you think the probability of getting A on an exam is 10%, while the probability of getting B on the exam is 30%, what is the probability of getting A or B on the exam?

Respuesta :

29-01-2020

Answer:

2/5

Explanation:

Probability of "A" is 10% = 1/10

Probability of "B" is 30% = 3/10

The probability of A of B = P(A) + P(B)

= (1/10) + (3/10)

= 4/10

= 2/10

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