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r-ruslan [8.4K]

3 years ago

13

e distance from Earth to Neptune is approximately 4.3514×1012 meters. Select from the drop-down menu to correctly complete the s

tatement. The distance from Earth to Neptune is approximately 4.3514×109 .

1 answer:

amm18123 years ago

5 0

There's no drop-down menu but I'd say the answer you want is kilometers.

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The gypsy moth is a serious threat to oak and aspen trees. A state agriculture department places traps throughout the state to d

k0ka [10]

Part A:

From the central limit theorem, since the number of samples is large enough (up to 30), the mean of the the mean of the average number of moths in 30 traps is 0.6.

Part B:

The standard deviation is given by the population deviation divided by the square root of the sample size.

$standard \ deviation= \frac{\sigma}{\sqrt{n}} = \frac{0.4}{\sqrt{30}} = \frac{0.4}{5.477} =0.073$

Part C:

The probability that an approximately normally distributed data with a mean, μ, and the standard deviation, σ, with a sample size of n is greater than a number, x, given by

$P(X\ \textgreater \ x)=1-P(X\ \textless \ x) \\ \\ =1-P\left(z\ \textless \ \frac{x-\mu}{\sigma/\sqrt{n}} \right)$

Thus, given that the mean is 0.6 and the standard deviation is 0.4, the probability that <span>the average number of moths in 30 traps is greater than 0.7</span> given by:

$P(X\ \textgreater \ 0.7)=1-P(X\ \textless \ 0.7) \\ \\ =1-P\left(z\ \textless \ \frac{0.7-0.6}{0.073} \right)=1-P(z\ \textless \ 1.369) \\ \\ =1-0.91455=\bold{0.0855}$

7 0

4 years ago

I need to find out x y and z and am very lost and confused please help!

Law Incorporation [45]

I dont know the answer becouse im not there but i can show you how to get the answer..

you know the rulers the are half way cut?use that and measure each angle

(i hope i helped!)

4 0

4 years ago

Read 2 more answers

How does the decimal point move when you rewrite a percent as a decimal and when you rewrite a decimal as a percent?

il63 [147K]

Here is an example

0.40,what you do is if it is a decimal you move it to the right twice,until you get 40%,remove the 0 and you have a percent.To move a percent to a decimal,4% you go left twice such as 0.40,and then you are left with 40%

Sorry if it wasn't clear enough but that is my understanding of it.Have a great day.

7 0

4 years ago

Pls help me with this

LiRa [457]

Answer:

In this order from top to bottom, you get -12, -8, 0, 6, and 8

Step-by-step explanation:

You simply plug in the X value into each equation where it is needed.

So for the first one

2(-5)-2 = -10-2 = -12

2(-3)-2 = -6-2 = -8

2(1)-2 = 2-2 = 0

2(4)-2 = 8-2 = 6

2(5)-2 = 10-2 = 8

5 0

3 years ago

Need help quickly, please and thank you;

gulaghasi [49]

F(x) = y = -1/3x + 0
g(x) = y= -1/3x - 3

I don’t think that you have to include the y in the equations. It really depends on what your teacher wants. ;)

Hope this helps✨❤️
Merry Early Christmas!

3 0

3 years ago