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victus00 [196]
3 years ago
14

Racheal brought chocolate and vanilla to school for her birthday.80 students decided to take a cupcake and 56 of them took vanil

la.what percentage of students picked vanilla.
Mathematics
1 answer:
anyanavicka [17]3 years ago
3 0

Answer:

70%

Step-by-step explanation:

56 vanilla cupcakes

------------------------------- = 0.7, or 0.7(100%), or 70%

     80 students

70% of students picked vanilla.

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The temperature would be negative 4 degrees Celsius
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A mountain biking park has a total of 60 trails, 20% of which are beginner trails. The rest are divided evenly between intermedi
Maslowich

Answer:

12,24,24

Step-by-step explanation:

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Which answer shows this equation in standard form?
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7 0
3 years ago
Read 2 more answers
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kotegsom [21]
Most likely number 3 
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3 0
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

   The  proportion is  P(X >x) =  0.2245

   The value considered is  x =  11.6

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 )

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

Hence

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

  \sigma  =  8.5      

6 0
3 years ago
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