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enot [183]
2 years ago
15

A weighted average of the value of a random variable, where the probability function provides weights, is known as _____. a. a p

robability function b. a random variable c. the expected value d. None of the answers is correct.
Mathematics
1 answer:
alexandr402 [8]2 years ago
8 0

Answer:

The answer is c. The expected value.

Step-by-step explanation:

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Answer:  7(3m - 7n)

<u>Step-by-step explanation:</u>

Factor each term then see what value(s) they have in common:

          21m         -          49n

            ∧                        ∧

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Both terms have a 7 in common.  What is left over after removing the 7?

21m: 7(3m)

49n: 7(7n)

GCF: 7           Leftovers: 3m <em>and</em>  7n

Factored form of expression is: 7(3m - 7n)

6 0
3 years ago
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Answer:

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Step-by-step explanation:

The formula for volume of a cone is \pi r^2*\frac{h}{3}

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