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MariettaO [177]
3 years ago
11

I NEED HELP ASAPPP!!! PLEASE HELP MEEE

Mathematics
2 answers:
Fofino [41]3 years ago
6 0
C (1,3)


.............
MrRa [10]3 years ago
6 0
C:1/3 hope this helps gl:)
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Choose a random number
Andre45 [30]

Answer:

12/25 or 48% or 0.48

Step-by-step explanation:

There are 12 even numbers.

25 is good for percentages because you can just multiply it by four to get to 100

4 0
3 years ago
Which equation represents the slope-intercept form of the line below?
dangina [55]
The correct answer is c
8 0
2 years ago
Assuming that the population is normally​ distributed, construct a 9090​% confidence interval for the population mean for each o
jasenka [17]

Given:

Set A: 1 4 4 4 5 5 5 8

Mean: 4.5

Standard dev: 1.9

 

Set B:

Mean: 4.5

Standard dev: 2.45

 

% =  90 

Set A:

Standard Error, SE = s/ √n =    1.9/√8 = 0.67  

Degrees of freedom = n - 1 =   8 -1 =  7   

t- score =  1.89457861

<span> <span><span> <span>   </span> </span> </span></span>

Width of the confidence interval = t * SE =     1.89457861* 0.67 = 1.272685913

Lower Limit of the confidence interval = x-bar - width =      4.5 - 1.272685913 = 3.23

Upper Limit of the confidence interval = x-bar + width =      4.5 + 1.272685913 = 5.77

The 90% confidence interval is [3.23, 5.77]

 

Set B:

Standard Error, SE = s/ √n =    2.45/√8 = 0.87  

Degrees of freedom = n - 1 =   8 -1 = 7   

t- Score =  1.89457861

<span> <span><span> <span>   </span> </span> </span></span>

Width of the confidence interval = t * SE =     1.89457861* 0.87 = 1.641094994

Lower Limit of the confidence interval = x-bar - width =      4.5 - 1.641094994 = 2.86

Upper Limit of the confidence interval = x-bar + width =      4.5 + 1.641094994 = 6.14

The 90% confidence interval is [2.86, 6.14]

 

<span>We can obviously see that sample B has more variation in the scores than sample A. The fact that the standard deviation is 2.45 for B and 1.9 for A). Therefore, they yield dissimilar confidence intervals even though they have the same mean and range.</span>

6 0
3 years ago
Hi children pls find the area of this shape answer will get brainliest
Radda [10]

Answer.

Answer is 9

Step-by-step explanation:

Multiply height by with.

1,1x8,1

then do whatever that equals times 2,5 and you should get your answer.

5 0
2 years ago
A triangle lies entirely in Quadrant 1. In which quadrant will the triangle lie after each rotation about (0, 0)?
tester [92]
Well, if the the triangle is rotated clockwise it will lie in quadrant 4. if it is rotated anticlockwise it will lie on quadrant 2
hope this helps
6 0
3 years ago
Read 2 more answers
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