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sergij07 [2.7K]

2 years ago

12

Help plz asap answer first gets. Brainliest

2 answers:

melomori [17]2 years ago

6 0

Answer:

1. $\frac{3}{20}$ 5. $\frac{3}{14}$ 9. $\frac{14}{15}$

2. $\frac{55}{4}$ 6. $\frac{11}{10}$ 10. $\frac{19}{6}$

3. $\frac{7}{6}$ 7. $\frac{22}{15}$ 11. $\frac{47}{24}$

4. $\frac{17}{12}$ 8. $\frac{16}{21}$ 12. $\frac{19}{42}$

hope this helps!

bixtya [17]2 years ago

4 0

1. 3/20 or 0.15
2. 55/4 or 13.75 or 13 3/4

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$Z_{\alpha}=1.56\\Z=-1.58$

$-1.58$

As $Z$ , it is possible to reject null hypotesis. It means that the local mean height is less tha 0.7 m with a 5% level of significance.

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3 years ago

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Answer:

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Given

See attachment for grid

Required

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Step-by-step explanation:

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Please Help!!!!!!

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3 years ago