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umka21 [38]
3 years ago
14

Normal Distribution quiz?

Mathematics
1 answer:
Leno4ka [110]3 years ago
8 0
Area under ALL probability distribution curves is 1.0, because all possible outcomes are taken into account.
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Finished the first one don´t understand these.
Mashutka [201]

Answer:

Let "x" be the number of people who can go to the amusement park.

So we have: 19 + 14x ≤ 180. This inequality basically means that the parking cost plus the cost of the tickets for every person cannot cost more than 180 dollars.

Solving this inequality, we get:

19 + 14x ≤ 180

14x ≤ 161

x ≤ 11.5

Obviously, we know that we can't have "half" a person, so the most people who can come to the amusement park would be 11 people, and the answer would be: x ≤ 11

Hope this helps!

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B and C are the answers
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Find the value of x.
Gelneren [198K]

Answer: x=13

Step-by-step explanation:

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Y=770(1.31)^x<br> find percent decrease or increase
aliina [53]

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it increase by 31%

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