想知道我所有客戶之間的軟體更新廣告的成功率(百分比)。
我有以下公式,但我認為有些問題(基于初步結果),請參閱:
$success = round((($total_pcs_with_new_version) (($total_pcs_with_old_version)))/100, 2);
/**
[====== Preliminary result ======]
$total_pcs_with_new_version = 13;
$total_pcs_with_old_version = 23
then result will be:
$success = 0.36%
**/
uj5u.com熱心網友回復:
你的計算不正確:
$success = round($total_pcs_with_new_version * 100 /
($total_pcs_with_new_version $total_pcs_with_old_version), 2);
new * 100 / total13 * 100 / 36 = 36.11
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