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leva [86]
3 years ago
14

an earthquake with a magnitude of about 2.0 or less is called a microearthquake. it is not usually felt. the intensity of an ear

thquake with a magnitude of 2 is how many times greater than the intensity of a standard earthquake
Mathematics
1 answer:
Artemon [7]3 years ago
6 0

Answer:

100 times greater

Step-by-step explanation:

i promise

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Suppose we are testing the null hypothesis H 0 mu=20 and the alternative H iu =20 , normal population with sigma=6 A random samp
cupoosta [38]

Answer:

The value of the test statistic is z = -1.5

Step-by-step explanation:

The formula for the test statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the statistic, \mu is the mean, \sigma is the standard deviation and n is the number of observations.

In this problem, we have that:

\mu = 20, X = 17, \sigma = 6, n = 9

So

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{17 - 20}{\frac{6}{\sqrt{3}}}

z = -1.5

The value of the test statistic is z = -1.5

8 0
3 years ago
I REALLY NEED HELP PLZ :(((((
liberstina [14]

Answer:

Where is the picture?

Step-by-step explanation:

5 0
3 years ago
Please help me on this!!<br> 5n+17≥n–3≥–15+5n
DENIUS [597]

Answer:

-5 ≤ n ≤ 3

Step-by-step explanation:

Firstly we solve the equation two at a time;

5n + 17 ≥ n - 3

5n - n ≥ -3 - 17

4n ≥ -20

n ≥ -5

-5 ≤ n

n - 3 ≥ -15 + 5n

n - 5n ≥ -15 + 3

-4n ≥ -12

-n ≥ -3

n ≤ 3

Therefore,

5n+17 ≥ n–3 ≥ –15+5n, becomes

-5 ≤ n ≤ 3

6 0
3 years ago
What is 28 of 64<br> need help
Effectus [21]
<span>28 of 64 = 28/64 = 28:64 = 64÷24. 

</span>28/64=6/16

28:64=6:16

64÷24=2.66

Hoped I helped!
7 0
3 years ago
What is the diameter of a circle with a radius of 4.375"? 2.187" or 2.375" or 8.375" or 8.750"
AURORKA [14]
DONT CLICK ON THE LINKS! It’s 8.750 BY THE WAY the radius is half the diameter so just add the radius by itself or multiply by 2
3 0
3 years ago
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