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ra1l [238]
3 years ago
7

The difference of the sample means of two populations is 34.6, and the standard deviation of the difference of the sample means

is 11.9. The 95% confidence interval lies between A) -11.9 B) -23.8 C) -35.7 D) -45.4 and A) 11.9 B) 23.8 C) 35.7 D) 45.4
Mathematics
1 answer:
mojhsa [17]3 years ago
8 0

Answer

23.8,23.8

Step-by-step explanation:

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3 years ago
PLEASEE HELPP MEEEE!!!!!!!!!<br><br> what is the value of x?
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Step-by-step explanation:

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5 0
4 years ago
I really need help with this answer
Bond [772]

Answer:

The given two triangles are not congruent.

Step-by-step explanation:

See the diagram of the two triangles attached to this question.

The third angle of the second triangle is [180° - (31° + 124°)] = 180° - 155° = 25°.{Since the other two angles of the triangle are 31° and 124°}

Now, for the first triangle, the values of the adjacent angles of the side with length 6 are 45° and 31°, but for the second triangle, the values of the adjacent angles of the side with length 6 are 25° and 31°.

Therefore, two triangles do not satisfy the Angle=Side-Angle i.e. ASA criteria to become congruent.  

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5 0
3 years ago
To solve 5(2x + 4) = 15, first divide each side by <br> .
Fofino [41]

Step-by-step explanation:

5(2x+4)=15

10x+20=15

10x=15-20

<u>1</u><u>0</u><u>x</u>= <u>-</u><u>5</u>

10. 10

x=-1/2

8 0
3 years ago
Read 2 more answers
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