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natta225 [31]
3 years ago
6

What is the equation of a line that has an undefined slope and an X-intercept at negative 2? (Hint: x=2)

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
3 0
X=-2; undefined slope means that the line is vertical, and the question states that the x-intercept was negative 2.
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Answer:

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Step-by-step explanation:

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rodikova [14]

Answer:

E(X) = 4*0.2 +3*0.5+ 2*0.2 +1*0.8+ 0*0.02= 2.78

So then the best answer for this case would be:

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Step-by-step explanation:

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A= 4.0       0.2

B= 3.0       0.5

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Total          1.00

The expected value of a random variable X is the n-th moment about zero of a probability density function f(x) if X is continuous, or the weighted average for a discrete probability distribution, if X is discrete.

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And if we replace the values that we have we got:

E(X) = 4*0.2 +3*0.5+ 2*0.2 +1*0.8+ 0*0.02= 2.78

So then the best answer for this case would be:

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Problem
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Explanation is in the file

tinyurl.com/wpazsebu

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