Revision as of 03:50, 27 June 2024 by Admin (Created page with "'''Solution: C''' On each roll, the expected number is <math display = "block"> 1/6 \sum_{i=1}^6 i = 3.5 </math> Hence the expected sum for 24 rolls is 84. By the central limit theorem, the probability that 24 rolls exceed 84 is 1/2.")
Exercise
Jun 27'24
Answer
Solution: C
On each roll, the expected number is
[[math]]
1/6 \sum_{i=1}^6 i = 3.5
[[/math]]
Hence the expected sum for 24 rolls is 84. By the central limit theorem, the probability that 24 rolls exceed 84 is 1/2.