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拋擲一顆骰子,觀察擲出的點(diǎn)數(shù),求點(diǎn)數(shù)不超過3的概率
答案:
一顆標(biāo)準(zhǔn)的六面骰子有六個(gè)面,分別標(biāo)記為1點(diǎn)、2點(diǎn)、3點(diǎn)、4點(diǎn)、5點(diǎn)和6點(diǎn)。當(dāng)拋擲這顆骰子時(shí),每個(gè)面朝上的概率是相等的,即...
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