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MArishka [77]
3 years ago
14

Nacy has 8 pieces of string that are exactly the same length

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

Well there you go she has 8 pieces of string wit the same length

Step-by-step explanation: If they the same length then they the same length all you have to do is read

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Women athletes at the university of colorado, boulder, have a long-term graduation rate of 67% (source: the chronicle of higher
Elodia [21]

 

The solution would be like this for this specific problem:

H0: p = p0, or <span>
H0: p ≥ p0, or 
H0: p ≤ p0 </span>

 

find the test statistic z = (pHat - p0) / sqrt(p0 * (1-p0) / n) 

 

where pHat = X / n 

 

The p-value of the test is the area under the normal curve that is in agreement with the alternate hypothesis. <span>
H1: p ≠ p0; p-value is the area in the tails greater than |z| 
H1: p < p0; p-value is the area to the left of z 
H1: p > p0; p-value is the area to the right of z </span>

 

Hypothesis equation:

 

H0: p ≥ 0.67 vs. H1: p < 0.67 

 

The test statistic is: <span>
z = ( 0.5526316 - 0.67 ) / ( √ ( 0.67 * (1 - 0.67 ) / 38 ) 
z = -1.538681 </span>

 

The p-value = P( Z < z ) <span>
= P( Z < -1.538681 ) 
<span>= 0.0619</span></span>

6 0
3 years ago
Solve a^3 • (-a^2b)^4
Varvara68 [4.7K]

Answer:/?idk

Step-by-step explanation:


8 0
3 years ago
How can a rational number and irrational number when multiplied together make a irrational number ?
pochemuha

Answer:

"The product of a rational number and an irrational number is SOMETIMES irrational." If you multiply any irrational number by the rational number zero, the result will be zero, which is rational. Any other situation, however, of a rational times an irrational will be irrational

A better statement would be:

"The product of a non-zero rational number and an irrational number is irrational

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2 years ago
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Mrrafil [7]
Use pythagora's theorem to test if it is a right triangle

c^2 = a^2 + b^2
65^2 = 52^2 + 43^2
4225 = 2704 + 1849
4225 =/= 4553
therefore it is not a right triangle as it does not comply to pythagora's theorem
7 0
2 years ago
Find the product of (x – a) and (x - b).
yawa3891 [41]

(x−a)(x−b)

=(x+−a)(x+−b)

=(x)(x)+(x)(−b)+(−a)(x)+(−a)(−b)

=x2−bx−ax+ab

<h2><u><em>=ab−ax−bx+x2</em></u></h2>

6 0
3 years ago
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