Question 1181275: please help me static101
q1 /
6 manufacturers produce a certain electronic device, whose quality varies from manufacturer to manufacturer. If you were to select 4 manufacturers at random, what is the chance that the selection would contain exactly 2 of the best 3?
q2/
A sample space S consists of 4 simple events with these probabilities:
P(E1) = 0.18, P(E2) = 0.02, P(E4) = 3P(E3) If A = {E1, E3}, B = {E2, E3}, then P(AUB)c is
q3/
There are three brands of chocolates A, B and C in a box. Brand A chocolates are 3, brand B are 4 and brand C are 5. A boy has two choose two chocolates from the box one by one. The probability that he has to choose first chocolate from brand B and second from brand C is
Answer by ikleyn(52884)   (Show Source):
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