a bax Three 60=w burks, and Ex randomly selected. a) what is probability that exactly two of the selected bulbs are rated 75-1 certain supply rooms. 75- bulbs, suppose that three hulle are The probability that all three of the selected bulbs have the same rating. b) what is C) what is the probability that one bill of each type is selected. d) Suppose now that buips are to be selected. 75-w bulb is found what is the probability that examine at least six bulbs. it is necessary to

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