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    精英家教网 > 初中数学 > 题目详情
    “May  you  have  a  good  summer  holiday．”（祝你有个快乐的暑假），在这段句子的所有英文字母中，字母a出现的频率是
    1
    7
    1
    7
    ．
    分析：找出所有字母的个数以及字母a的个数，然后根据频率=
    频数
    数据总和
    进行计算即可得解．
    解答：解：“May  you  have  a  good  summer  holiday”中共有28个字母，
    字母a出现了4次，
    所以，字母a出现的频率=
    4
    28
    =
    1
    7
    ．
    故答案为：
    1
    7
    ．
    点评：本题考查了频率、频数，主要利用了频率=
    频数
    数据总和
    ．
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