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Radda [10]
3 years ago
13

Statistics Help (P-Value 85 Points)

Mathematics
1 answer:
Svetach [21]3 years ago
7 0
The p-value falls between 0.025 and 0.05 is my guess, since we have t = -1.45 in 25 observations. The test of H0 against Ha show that μ = 7.2 and μ < 7.2 means μ = μ (7.2 = 7.2).
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The regular price of a calculator is $49.95 before taxes. It goes on sale at 20% below the regular price. Before taxes are added
Kay [80]

Answer:

$39.96

Step-by-step explanation:

Since it is 20% off, we would multiply by .8, as we subtract the .2 (20%) off of the price.

$49.95 x 0.8 = $39.96

6 0
3 years ago
If an interior angle of a regular polygon measures 108°, how many sides does the polygon have?
PilotLPTM [1.2K]

Answer:

5

Step-by-step explanation:

<u>(n-2)180 = 108</u>

          n

Distribute

180n-360=108n

-360=-72n

5=n

n=5

5 0
3 years ago
Read 2 more answers
Which transformations map the strip onto itself?
Pie

Answer:

<h2>A horizontal translation and a 180° rotation only.</h2>

Step-by-step explanation:

Notice those shapes are positioned as a reflection.

So, one way to map them onto is self is by rotating 180° and a horizontal translation. Or it could work if we translate it horizontally, the we reflect it vertically. Those transformations would map the strip onto itself.

Therefore, the second choice is the best answer.

4 0
3 years ago
After going through all of your expenses for the month, you can up with the expression -2(x+3) – 5(2x – 7). Simplify the express
svlad2 [7]

Answer:

-12x+29

Step-by-step explanation:

= -2(x+3) – 5(2x – 7)

= -2(x)+(-2)(3)-5(2x)-5(-7)

= -2x-6-10x+35

= -2x-10x-6+35

= -12x+29

7 0
3 years ago
Read 2 more answers
Determine how far the vehicle travels in 3 hours.
tresset_1 [31]

Answer:

90 miles

Step-by-step explanation:

1 1/2 is half of 3 so just multiply 45 by two

8 0
2 years ago
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