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alexandr402 [8]
2 years ago
14

Pls help. I am not very smart!

Mathematics
2 answers:
Yanka [14]2 years ago
8 0

Answer:

Umm I'm not entirely sure but I think its the last one

jonny [76]2 years ago
4 0

Answer:

3 1/3=−1/2x+(−3)

Step-by-step explanation:

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Test the claim that the mean GPA of night students is larger than the mean GPA of day students at the 0.10 significance level. T
o-na [289]

Answer:

H0 : μN ≤ μD

H1 : μN > μD

Right tailed

Test statistic = 1.33

Pvalue = 0.097

Fail to reject the Null

Step-by-step explanation:

H0 : μN ≤ μD

H1 : μN > μD

The test is right tailed ; culled from the direction of the greater than sign ">"

Night students :

n1 =30 x1= 3.34 s1 = 0.02

Day students:

n2 = 30 x2 = 3.32 s2 = 0.08

The test statistic :

(x1 - x2) / √(s1²/n1) + (s2²/n2)

T= (3.34 - 3.32) / √(0.02²/30) + (0.08²/30)

T = 0.02 / 0.0150554

Test statistic = 1.328

Using the conservative approach ;

df = Smaller of n1 - 1 or n2 - 1

df = 30 - 1 = 29

Pvalue(1.328, 29) = 0.097

At α = 0.10

Pvalue < α ; Hence, we reject H0 ; and conclude that there is significant evidence that GPA of night student is greater than GPA of day student

5 0
2 years ago
Find the radius of a circle that has an area of 12.56 cm².
ASHA 777 [7]

Answer:

4 cm

Step-by-step explanation:

3 0
2 years ago
2222 describe the relationship between
8090 [49]
You read it from left to right the value of 2 is two thousands or 2,000 then the second 2 is 200 and ect.
3 0
3 years ago
What is 45 divided by0.20
stepan [7]

Answer:

I believe that would be 225.  (Hope that helps!)

5 0
2 years ago
Read 2 more answers
Perform the following divisions. be sure all answers are reduced to lowest terms. 7/12 ÷ 3/4 =
Free_Kalibri [48]

7/12 / 3/4

You can write it as

7/12 * 4/3

=28/36 = 14/18 = 7/9

So, 7/9 is your answer

7 0
3 years ago
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