Paper 6 October/November 2003 MATHEMATICH (9709/6) A Levels
لطفا برای اطمینان از عملکرد و تجربه بهتر از مرورگرهای مدرن و به روز مانند کروم یا فایرفاکس استفاده کنید.

The probability that Sue completes a Sudoku puzzle correctly is 0.75.
a) Sue attempts $n$ Sudoku puzzles. Find the least value of $n$ for which the probability that she completes all $n$ puzzles correctly is less than 0.06.
Sue attempts 14 Sudoku puzzles every month. The number that she completes successfully is denoted by $X$.
b) Find the value of $X$ that has the highest probability. You may assume that this value is one of the two…