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Artist 52 [7]
3 years ago
14

The probability that Lexie is on time for given class is 98 percent. If there are 89 classes during the semester, what is the be

st estimate of the number of times out of 89 that Lexie is on time to class?
Mathematics
1 answer:
777dan777 [17]3 years ago
7 0

Answer:

87

Step-by-step explanation:

The expected value is the product of the probability and the outcome.

E = 0.98 (89)

E = 87.22

Rounded to the nearest integer, the expected number of classes is 87.

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OlgaM077 [116]

Answer:

<u>Infotron should produce each day 13 hockey and 6 soccer games</u>

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x = Number of hockey games Infotron should produce

y = Number of soccer games Infotron should produce

Number of labor-hours for assembly = 2x + 3y

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Now we can write our equations system, this way:

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*********************

Expressing y in terms of x in the 2nd equation:

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********************

Substituting y and solving for x in the 1st equation:

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*****************

Solving for y in the 2nd equation:

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