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docker41 [41]
3 years ago
10

The problem solving template is a tool which can be used to help solve difficult problems. For this sample work you will use the

problem solving template to set up and then solve the equation. ​Complete each part of the template​ for the question and then ​solve the question with work shown in the "Do" square. Solve using substitution or elimination. Remember, you must check your work. 5x + 3y = -15 -8x - 2y = 10 Identify(2pts) ​ : What is the problem? What do you need to find or do? What will your final answer look like? ​Do you ​ understand ​ what is being asked and what you need to do?
Mathematics
1 answer:
slega [8]3 years ago
8 0

Answer:

27

Step-by-step explanation:

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Step-by-step explanation:

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4 years ago
Suppose that the probabilities of a customer purchasing​ 0, 1, or 2 books at a book store are 0.2​, 0.3​, and 0.5​, respectively
svetlana [45]

Answer:

Expectation number of books a customer will​ purchase  =  1.3

Step-by-step explanation:

x     :​ 0      1              2

p(x) :0.2​,  0.3​, and 0.5​

Expectation

E(X) = ∑x P(x)

      = 0 X 0.2 +1 X 0.3+ 2 X 0.5

     = 1.3

Expectation  E(X) =  1.3

Expectation number of books a customer will​ purchase  =  1.3

3 0
3 years ago
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