imagic

This page lists questions and answers that were posted by visitors named imagic.

Questions

The following questions were asked by visitors named imagic.

Answers

The following answers were posted by visitors named imagic.

4. lim_(n→∞)P(S_n≥n)= 0.5 lim_(n→∞)P(S_n≥n+sqrt(n)) = 1/(2*pi) = 0.159

2. (i), (ii) and (iii)

When Charlie starts a new book, what is the probability that he will finish this book without being interrupted? 1) 0.4 2) 0.16 3) 1.2

above answers are partially wrong here right ones: 1. mean = 120, variance = 72 2. mean = 150, variance = 75 3. mean = 150, variance = 73 4. mean = 0, variance = 0

1. 9/16 2. 27/256 3. 9/64 4. 27/256 5. 1/8 6. 243/256 7. 2