Any Help??
回答 (1)
2016-12-05 6:49 am
✔ 最佳答案
a. 2^5 = 32b. (C(5,3) + C(5,3)) / 32 = 20/32 = 5/8
c. (C(5,4) + C(5,5)) / 32 = 6/32 = 3/16
d. 1/32
e. 0 (we cannot have equal number of Heads and Tails with 5 tosses)
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161204223436AAra6Pa