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swat32
3 years ago
5

When finding the margin of error for the mean of a normally distributed population from a sample, what is the critical probabili

ty, assuming a confidence level of 86%? 0.14 0.86 0.93 0.99]?
Mathematics
2 answers:
Tju [1.3M]3 years ago
6 0
C. is the answer ( just took the quiz)
sergiy2304 [10]3 years ago
4 0
C. 0.93 I just toke the test
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6 times the difference of a number and 4 equals 7
Nonamiya [84]
6( x - 4) = 7
6 x - 24 = 7
6 x = 7 + 24
6 x = 31
x = 31/6 

6 ( 31/6 - 4) = 7 
186/6 - 24 = 7
186/6 = 144/6 = 7

42/6 = 7 
7 = 7 
4 0
3 years ago
If f(n) n2 - 2n, then f(2) = 0. True.or.False?
Lady_Fox [76]

Answer:

True

Step-by-step explanation:

So we know that:

f(n)=n^2-2n

And we are asked to verify whether f(2)=0 is true or false.

To determine the answer, substitute 2 for n in the function and solve. So:

f(2)=(2)^2-2(2)

Square and multiply:

f(2)=4-4

Subtract:

f(2)=0

So, the statement is indeed true.

And we're done!

6 0
3 years ago
Read 2 more answers
Suppose you have 3 pieces of string measuring 4 inches, 5 inches, and 10 inches. How many unique triangles can you form with the
horsena [70]

Answer:

A


Step-by-step explanation:

This can be easily understood using the triangle inequality theorem:

"In a triangle, the combined lengths of any two sides must always be greater than the length of the third side."

  • Is 10+5 greater than 4? YES
  • Is 10+5 greater than 5? YES
  • Is 5+4 greater than 10? No!

Since all of them doesn't hold true, we cannot make any triangle. The answer is A, 0.

5 0
3 years ago
Read 2 more answers
What is the sum of the geometric series in which a1 = 4, r = 2, and an = 512?
OLga [1]
Geometric series is a series of numbers where the ratios of successive terms are the same. <span> To answer this problem, the information that we need to know are the first first term, the number of terms and the ratio of any successive terms. First we get the number of terms by the equation: 
an= a1(r)^(n-1) solve for n, which results to 8. 
Then the sum is computed by the equation:
Sn = a1(((r)^n)-1)/(r-1))
The answer is then A 1,020</span>
6 0
2 years ago
A rectangle has coordinates A(-4,3). B(0,0), C(6,8) and D(2,11)
Andre45 [30]

Answer:

what is the question

Step-by-step explanation:

3 0
3 years ago
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