【GMAT考满分数学PS题库】The probability is 1_真题_答案_解析 GMAT考满分官网

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题目内容

The probability is $\frac{1}{2}$ that a certain coin will yield heads on any given toss. If the coin is tossed five times, what is the probability that at least one of the tosses will yield heads?

A
$\frac{1}{2}$
B
$\frac{3}{4}$
C
$\frac{7}{8}$
D
$\frac{31}{32}$
E
$\frac{63}{64}$

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正确答案: D

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