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Yuri [45]
2 years ago
11

Help pleaseeeeeeeeeee

Mathematics
2 answers:
vovikov84 [41]2 years ago
7 0

Answer:

d

Step-by-step explanation:

aleksandr82 [10.1K]2 years ago
4 0

Answer:

km/hr

<em>Hope that helps! :)</em>

Step-by-step explanation:

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6 + y

Step-by-step explanation:

Here, we want to write an algebraic expression to represent the situation

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6 + y

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Step-by-step explanation:

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The average college lecture hall (auditorium) can seat 60 students with a standard deviation of 21. Assume that a total of 60 le
fiasKO [112]

Answer:

The standard deviation of the sample mean is  \sigma _ {\=  x } = 2.711

Step-by-step explanation:

From the question we are told that

   The mean is  \= x  =  60

    The standard deviation is  \sigma  =  21

     The sample size is n  =  60

Generally the standard deviation of the sample mean is mathematically represented as  

               \sigma _ {\=  x } =  \frac{\sigma  }{\sqrt{n} }

substituting values

               \sigma _ {\=  x } =  \frac{ 21 }{\sqrt{60} }

               \sigma _ {\=  x } = 2.711

4 0
3 years ago
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