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sladkih [1.3K]
3 years ago
12

Solve for K 20-6 + 4K =2-2k

Mathematics
1 answer:
nikdorinn [45]3 years ago
7 0

Answer:

<h2><em><u>K</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>-2</u></em></h2>

Step-by-step explanation:

20-6 + 4K =2-2k

=> 14 + 4k = 2 - 2k

=> 4k + 2k = 2 - 14

=> 6k = -12

=  > k =  \frac{ - 12}{6}

=> <em><u>K</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>-2</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>

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During the first 15 weeks of the 2016 season of a certain professional football​ league, the home team won 141 of the 241 ​regul
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The answer is 2.0190

Step-by-step explanation:

<em>From the given question,</em>

<em>We recall that,</em>

<em>p = 141/241 = 0.5850</em>

<em>so, p = 0.5</em>

<em>The Hypothesis is:</em>

<em>H₀ : P = 0.5, this means that  H0:50% of the games played will be won</em>

<em>vs</em>

<em>H₁ : P > 0.5, This indicates that, win is greater than 0.5 due to home field advantages.</em>

<em>n=241,x=141</em>

<em>Then,</em>

<em>SD(p)=√(p*q/n)=√(0.5*0.5/141)=0.0421</em>

<em>z = p - p/ SD (p) = 0.5850 - 0.5/0.0421 = 0.085/0.0421 =2.0190</em>

<em>therefore, there is strong evidence that there is home field advantages in professional football.</em>

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3 years ago
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