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Assoli18 [71]
4 years ago
8

What is the value of X ??

Mathematics
1 answer:
DochEvi [55]4 years ago
8 0
The value of X would be _#_##_#_#_#_#_##_#_#_#
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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
What is 2x + 3y = 1,470 in slope-intercept form? Show your work, please!!
larisa [96]
Slope intercept is y = mx + b

b is 1470


2x + 3y = 1470

2x (-2x) +3y = 1470 - 2x

3y = -2x + 1470

3y/3 = (-2x + 1470)/3

y = -2/3x + 490


hope this helps
6 0
4 years ago
Please show how to solve! 20 Points!<br> 3(x+2)^3/5 +3=27
Lemur [1.5K]

Answer:

x=30

Step-by-step explanation:

3(x+2)^3/5 +3=27

Subtract 3 from each side

3(x+2)^3/5 +3-3=27-3

3(x+2)^3/5 =24

Divide by 3

3/3(x+2)^3/5 =24/3

(x+2)^3/5 =8

Take everything to the 5/3 power to get rid of the exponent on the left side

(x+2)^3/5 ^ 5/3=8 ^ 5/3

Remember that a^b^c = a^ (b*c)

(x+2)^(3/5 * 5/3)=8 ^ 5/3

(x+2)=8 ^ 5/3

Replace 8 with 2^3

(x+2)=2^3 ^ 5/3

Remember that a^b^c = a^ (b*c)

(x+2)=2^(3 * 5/3)

x+2 = 2^5

x+2 = 32

Subtract 2 from each side

x+2-2 = 32-2

x=30

4 0
3 years ago
If 3/2 ÷ 1/4 = n, then n is between
nignag [31]
(3/2)/(1/4) = n
(3/2)/(4/1) = n
n = 12/2 = 6
8 0
4 years ago
Read 2 more answers
How do i wright an algebraic expression from a word problem. Such as "The product of a number w and 737
Artist 52 [7]
The 'product' of two numbers lets you know that you'll be multiplying them. So the product of a number w and 737 is w x 737. That can be rewritten as 737w.
4 0
3 years ago
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