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Anit [1.1K]
3 years ago
5

I need help with number 1

Mathematics
1 answer:
Ivan3 years ago
3 0
The answer you have is good. You don't need to change anything.
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05.06)Which of the following best describes interval C on the graph shown?
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Linear decreasing

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Can someone help me these 2 questions? PLS and ty!
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Answer:

y=60° b=60°

Step-by-step explanation:

the sum of all degrees of interior triangle is 180

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3 years ago
Data accumulated by the National Climatic Data Center shows that the average wind speed in miles per hour for St. Louis,Missouri
Marat540 [252]

Answer:

The  value is  \sigma  =  8.5    

Step-by-step explanation:

From the question we are told that

  The  population mean is  \mu  =  9.7

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Generally given that the speed measurement is normally distributed we have that

   P(X >  11.6) =  P(\frac{ X - \mu }{ \sigma } >  \frac{11.6 - 9.7}{ \sigma } )  = 0.2245

Generally

   \frac{X - \mu}{ \sigma }  = Z(The  \ z -score \ of \  X )

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Hence

     \frac{ 11.6 - 9.7}{ \sigma}  =  0.2245

  \sigma  =  8.5      

6 0
3 years ago
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