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serious [3.7K]
3 years ago
5

Help me find the missing number!!!

Mathematics
1 answer:
barxatty [35]3 years ago
6 0

Answer:

Germany mean: 1.8888888888889

Italy mean: 1.8375

Step-by-step explanation:

Have a nice day!

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A data set includes data from 500 random tornadoes. The display from technology available below results from using the tornado l
lisov135 [29]

Answer:

The null and alternative hypothesis are:

H_0:\mu =2.6\\H_a:\mu >2.6

There is sufficient evidence to support the claim that the mean tornado length is greater than 2.6 miles

Step-by-step explanation:

Consider the provided information.

The claim that the mean tornado length is greater than 2.6 miles.

If there is no statistical significance in the test then it is know as the null which is denoted by H_0, otherwise it is known as alternative hypothesis which denoted by H_a.

Therefore, the required null and alternative hypothesis are:

H_0:\mu =2.6\\H_a:\mu >2.6

significance level α =0.05

From the given table the test statistic T=2.230166

P-value is 0.0131

0.0131<0.05

P value is less than the significance level, so reject the null hypothesis.

There is sufficient evidence to support the claim that the mean tornado length is greater than 2.6 miles

6 0
3 years ago
How might a change in the environment affect plants differently than it would animals?
valentina_108 [34]

Answer:

Some plants need certain things in their environment, so if their environment changes it could make the plants not grow. Animals would most likely either move to a different area or would get used to the change.

8 0
3 years ago
As the music plays,the volume changes In the beginning of the piece can be modeled by the equation s=10Ix-4I+50 where s represen
Ipatiy [6.2K]

Answer:

-127

Step-by-step explanation:

s = 101x-41+50

80 = 101x - 4+ 50

-101x

-181 = x - 4 +50

-181 = x -54

+ 54

-127 = x

I hope this helps

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After 1890 from where the most European immigrants come
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By 1890, most immigrants come from countries in southern Europe (such as Italy and Greece), and from northern Europe (such as Russia and Poland). ... Most European immigrants arrived at the Ellis Island in New York harbor.

hope this helps!

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3 years ago
Distance between -6.5 and 5.25
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Answer:

11.75

Step-by-step explanation:

8 0
3 years ago
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