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Molodets [167]
2 years ago
13

compute the mean and variance of the following discrete probability distribution. (round your answers to 2 decimal places.) x p(

x) 0 0.2 1 0.4 2 0.3 3 0.1 click here for the excel data file
Mathematics
1 answer:
a_sh-v [17]2 years ago
6 0

The  determined value of mean µ is 1.3 and variance σ² is 0.81.

What is mean and variance?

  • A measurement of central dispersion is the mean and variance. The average of a group of numbers is known as the mean.
  • The variance is calculated as the square root of the variance.
  • We can determine how the data we are collecting for observation are dispersed and distributed by looking at central dispersion.

The table is attached as an image for reference.

Mean µ = ∑X P(X)

         µ = 1.3

Variance (σ² ) = ∑ X² P(X)- (µ)²

                       = 2.5-(1.3)²

                (σ² ) = 0.81

The  determined value of mean µ is 1.3 and variance σ² is 0.81.

Learn more about mean and variance here:

brainly.com/question/25639778

#SPJ4

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Step-by-step explanation:

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when x is:

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<h3>How to plot the points?</h3>

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See attachment for the graph

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<u>Complete question</u>

The pH value is 0 at (1, 0) and 1 at (0.1, 1).

Using desmos

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8 0
2 years ago
Which expression shows a sum of three terms.
vladimir1956 [14]

Answer:  B) 3+y+3

This can be simplified to y+6, but the current un-simplified expression has 3 terms.

======================================

Explanation:

Terms are separated by a plus sign. If you had something like 10x-5y, then you would write that as 10x+(-5y) showing that 10x and -5y are the two terms.

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