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Alik [6]
3 years ago
15

How to find the slope of a graph

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
5 0

Answer:

There are 2 different ways, depending on the amount of data given;

<em>1st way:</em> When only the line on the graph is given (Without any coordinate points given) then the slope could be found out with the formula of <u>Rise/Run, or Change in y / Change in x</u>

<em>2nd way: </em>When a line and 2 coordinate points are given, the the formula that would be used is:<u> </u>\frac{Y_2 - Y_1}{X_2 - X_1}<u>, where X₁ and Y₁ are the coordinate points of the 1st given point, and X₂ and Y₂ are the coordinate points of the 2nd given point.</u>

Hope this helps!

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The expected value of the discrete distribution, if you have to pay $.50 to pick one package at random, is of -$0.08.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

For this problem, considering the cost of $0.5, the distribution is given as follows:

  • P(X = 0.2) = 12/(12 + 15 + 23) = 12/50 = 0.24.
  • P(X = -0.1) = 15/(12 + 15 + 23) = 15/50 = 0.3.
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More can be learned about the expected value of a discrete distribution at brainly.com/question/13008984

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