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Butoxors [25]
3 years ago
5

Help!! I don’t understand this question

Mathematics
2 answers:
olga55 [171]3 years ago
7 0

I need a better pic of the picture, it only shows half of the question

Maurinko [17]3 years ago
5 0

I need to see a better picture of this question

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To create a confidence interval from a bootstrap distribution using percentiles, we keep the middle values and chop off a certai
Nataliya [291]

Answer:

a

 \frac{\alpha }{2}  =  2.5 \%

b

  N  = 25

Step-by-step explanation:

From the question we are told that

   The number of bootstrap samples is  n =  1000

From the question we are told the confidence level is  95% , hence the level of significance is    

      \alpha = (100 - 95 ) \%

=>   \alpha = 0.05

Generally the percentage of values that must be chopped off from each tail  for a 95% confidence interval is mathematically evaluated as

      \frac{\alpha }{2}  =  \frac{0.05}{2}  =  0.025 = 2.5 \%

=>    \frac{\alpha }{2}  =  2.5 \%

Generally the number of the bootstrap sample that must be chopped off to produce a 95% confidence interval is

      N  =  1000 *  \frac{\alpha }{2}

=>   N  =  1000 *  0.025

=>   N  = 25

     

4 0
3 years ago
General solution of:<br><img src="https://tex.z-dn.net/?f=%20%5Ctan%28%20%5Calpha%20-%2045%29%20%3D%20-%5Ctan%28%20%5Calpha%20%2
blondinia [14]
The answer
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3 0
3 years ago
X-5.47753/0.06776<br> Solve for x
Dmitrij [34]

Answer:

80.83722

Step-by-step explanation:

−5.47753 /0.06776 =−80.83722

x-80.83722

+80.83722 on both

x=80.83722

3 0
3 years ago
What is the length of the hypotenuse of right ΔDEF shown? A) √5041 B) √2545 C) √497 D) √1063
spin [16.1K]

The length of the hypotenuse of right triangle ΔDEF is 50.44 units

<h3>How to find hypotenuse of a right triangle?</h3>

The hypotenuse side can be found using Pythagoras theorem,

Therefore,

c² = a² + b²

where

  • c = hypotenuse
  • a and b are the other legs.

Therefore,

x² = 39² + 32²

x² = 1521 + 1024

x = √2545

x = 50.4479930225

x = 50.44

learn more on right triangle here: brainly.com/question/12353375

#SPJ1

5 0
2 years ago
841 divided n =29 find n
gogolik [260]
841/n = 29
841 = 29n
841/29 = n
n = 29
5 0
3 years ago
Read 2 more answers
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