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Yolanda has a fair cube with faces numbered 1 to 6. what is the probability that she rolls at least a 3 on the first roll and at least a 4 on the second roll? A) 1/36 B) 1/3 C) 1/2 D) 2/3
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Here's another probability problem. Elsie draws two cards at random without replacement from a set of cards numbered 1 to 20. what is the probability that she first selects the card numbered 4 and then an odd-numbered card greater than 7? A) 3/200 B) 3/190 C) 1/40 D) 1/20
first one is A. because for two rounds you need to roll the dice 36 times (6*6) and one number (4 and 3 is just there to trick you)so 1/36
thanks!
can anyone help me with the second problem?
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