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dedylja [7]
3 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]3 years ago
6 0

Answer:

x =45 and y = 23

Step-by-step explanation:

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dybincka [34]

Answer:

A. The function is always decreasing

Step-by-step explanation:

we read a graph from left to right, so we can always compare the increase/decrease of a function by seeing how an x value compares with an x value to the left

(I am aware that this paragraph is really confusing)

we can see that as x increases, from -∞ to 0,

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and that as x increases, from 0 to ∞,

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So, even though the graph doesn't quite look like it, when x < 0; the function decreases, when x > 0; function decreases--so the function is always decreasing

hope this helps!! have a lovely day :)

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Answer:

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Step-by-step explanation:

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Brums [2.3K]
The correct reason <span>for each step in the solution of the equation would be as follows:
</span>
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