Suppose that--in any given time period--a certain stock is equally likely to go up 1 unit or down 1 unit, and that the outcomes

Question

2 years ago

9

Suppose that--in any given time period--a certain stock is equally likely to go up 1 unit or down 1 unit, and that the outcomes

of different periods are independent. Let X be the amount the stock goes up (either 1 or -1) in the first period, and let Y be the accumulative amount it goes up in the first three periods. Find the correlation between X and Y.

Mathematics

1 answer:

Leviafan [203] · Answer 1 · 2022-08-07T02:43:13+03:00

Leviafan [203]2 years ago

6 0

Answer:

x =45 and y = 23

Step-by-step explanation: