A box contains four tickets, one marked with a star, and the other three blank: * *
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A box contains four tickets, one marked with a star, and the other three blank:
* * *
Two draws are made at random with replacement from this box.
(a) What is the chance of getting a blank ticket on the first draw?
(b) What is the chance of getting a blank ticket on the second draw?
(c) What is the chance of getting a blank ticket on the first draw and a blank ticket on the second draw?
(d) What is the chance of not getting the star in the two draws?
(e) What is the chance of getting the star at least once in the two draws? plo88
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