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erik [133]
3 years ago
10

Consider the following hypothesis test: : : A sample of provided a sample mean of . The population standard deviation is . Enter

negative value as negative number. a. Compute the value of the test statistic (to 2 decimals). b. What is the -value (to 4 decimals)? Use the value of the test statistic rounded to 2 decimal places in your calculations.
Mathematics
1 answer:
scoundrel [369]3 years ago
7 0

The answer to this problem is  B.

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What is 5/7 equivalent to
Lina20 [59]
If you're looking for the decimal it is

0.71428571428
4 0
3 years ago
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Quadrilateral ABCD is a rectangle. If AG = -7j + 7 and DG = 5j + 43, find BD
Kaylis [27]

<em>BD</em> = 56

Step-by-step explanation:

Step 1: In rectangle, the diagonals are congruent and bisect each other.

So, <em>AC</em> = <em>BD</em>

⇒<em>AG</em> + <em>GC</em> = <em>BG</em> + <em>GD</em>

⇒<em>AG</em> + <em>AG</em> = <em>GD</em> + <em>GD</em>

⇒ 2<em>AG</em> = 2<em>GD</em>

⇒<em>AG</em> = <em>GD</em>

⇒ –7<em>j </em>+ 7 = 5<em>j</em> + 43

⇒–7<em>j</em> – 5<em>j</em> = 43 – 7

⇒–12<em>j</em> = 36

⇒<em>j</em> = –3

Step 2: <em>BD</em> = 2<em>DG</em>

<em>BD</em> = 2(5<em>j</em> + 43)

     = 2(5 (–3) + 43)

     = 2(–15 + 43)

     = 2 × 28

     = 56

Hence, <em>BD</em> = 56.

4 0
3 years ago
Can you help me what is 8242/68
Lina20 [59]

Answer:

121.205882353

Step-by-step explanation:

Put it in a calculator

4 0
3 years ago
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6) What are ED and FD?
kolezko [41]

Answer:

ED = 12 and FD = 24

Step-by-step explanation:

See the attached diagram.

The perpendicular distance between the three parallel lines are same i.e. AB = BC = 8

Therefore, the parallel lines will divide any transverse line ( say FD ) in 1 : 1 ratio i.e. will divide equally.

Therefore, FE = ED = 12 units.

Again, FD = FE + ED = 12 + 12 = 24 units. (Answer)

5 0
3 years ago
Help will give brainliest!!!!!!
sashaice [31]

Answer:

2.5

type A/B

Step-by-step explanation:

10/2.5=4

15/6=2.5

18/7.2=2.5

7 0
3 years ago
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