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There are 10 companies including A and B, to select 4 companies to participate in a project, what’s the probability that A, B are selected at the same time?

Respuesta :

princessesther2011

Answer:

3/5

Explanation:

Probability is given by number of possible outcomes ÷ number of total outcomes

Number of possible outcomes = 4, number of total outcomes = 10

Probability (that A,B are not selected at the same time) = 4/10 = 2/5

Probability (that A,B are selected at the same time) = 1 - 2/5 = (5 - 2)/5 = 3/5

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