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Illusion [34]
3 years ago
9

The scale on a map is 0.25 inches : 1¾ miles. If two cities are 1.8 inches apart on the map, what is the real life distance betw

een them?
Mathematics
1 answer:
slava [35]3 years ago
8 0

Answer:

12.6 miles I think. I would wait for another answer to be possitive.

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Maksim231197 [3]

The correct option is:   a female who weighs 1500 g

<em><u>Explanation</u></em>

<u>Formula for finding the z-score</u> is:  z= \frac{X-\mu}{\sigma}

Newborn males have weights with a mean(\mu) of 3272.8 g and a standard deviation(\sigma) of 660.2 g.

So, the z-score for the newborn male who weighs 1500 g will be.......

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According to the normal distribution table,  P(z=-2.69)=0.0036 = 0.36\%

Now, newborn females have weights with a mean(\mu) of 3037.1 g and a standard deviation(\sigma) of 706.3 g.


So, the z-score for the newborn female who weighs 1500 g will be.......

z(X=1500)=\frac{1500-3037.1}{706.3}=-2.176... \approx -2.18

According to the normal distribution table,  P(z=-2.18)=0.0146 = 1.46\%

As we can see that the <u>probability that a newborn female has weight of 1500 g is greater than newborn male</u>,  so a newborn female has the weight of 1500 g that is more extreme relative to the group from which he came.

5 0
3 years ago
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Answer:

Step-by-step explanation:

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Answer:

18a + 12x - 12a + 15x

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the answer is a

Step-by-step explanation:

6 0
3 years ago
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