硬币的两个面,一面是奇数,一面是偶数。现在把这枚硬币扔4次, 然后把每次得到的数值相加。请问,最后的和是奇数,偶数的概率是各是多少?
硬币的两个面,一面是奇数,一面是偶数。现在把这枚硬币扔4次, 然后把每次得到的数值相加。请问,最后的和是奇数,偶数的概率是各是多少?
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