2022-II-42
Ans: B
… Read The required number of password formed
$\begin{arra
HKDSE-MATH - 2022
2022-II-43
Ans: B
… Read The required probability
$\begin{array}{cl}
=
2022-II-44
Ans: C
… Read The new median $x$
$\begin{array}{cl}
= & 30 \ti
2022-II-45
Ans: D
… Read I is not true. The mean of $S_1$
$\begin{array}{cl}
= &