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2. The price of a stock on each day either moves up $1 with probability 0.4 or moves down $1 with probability 0.6. The c
Posted: Thu May 05, 2022 9:11 pm
by answerhappygod
- 2 The Price Of A Stock On Each Day Either Moves Up 1 With Probability 0 4 Or Moves Down 1 With Probability 0 6 The C 1 (29.54 KiB) Viewed 14 times
2. The price of a stock on each day either moves up $1 with probability 0.4 or moves down $1 with probability 0.6. The changes on different days are assumed to be independent. (a) What is the probability that after a day the stock will be at its original price? (1 point) (b) What is the probability that after 3 days the stock's price will have increased by 1 unit? (2 point) (c) Given that after 3 days the stock's price has increased by 1 unit, what is the probability that it went down on the first day? (2 points)