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nlexa [21]
2 years ago
9

The mean annual salary for environmental compliance specialists is about $66,000.  A random sample of 35 specialists is selected

from this population.  What is the probability that the mean salary of the sample is less than $60,000?  Assume σ=$12,000, and round your answer to 4 decimal places.
Mathematics
1 answer:
AleksandrR [38]2 years ago
6 0
The answer may not be what you think it is
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X2+8x=-1 complete the square
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(X+4)^2-15

This is the answer
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How many numbers are on the spinner? 
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The perimeter of a triangle is 140 cm the length of the second side is twice the length of the first side the length of the thir
kykrilka [37]

Perimeter = 140

Side 1 = x

Side 2 = 2x

Side 3 = 3x - 10

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3 years ago
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Given the equation:
Alisiya [41]

Answer:

x = 1 and x = \frac{-4}{5}

Step-by-step explanation:

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Now, simplify the equations:

x = \frac{1+\sqrt{81} }{10} = \frac{1+9}{10} = \frac{10}{10} = 1

and

x = \frac{1-\sqrt{81} }{10} = \frac{1-9}{10} = \frac{-8}{10} = \frac{-4}{5}

5 0
3 years ago
Solve the equation <br> y-x=17<br> y=4x+2
gogolik [260]
Y-x =17
y = -x + 17

substitute this into the second equation

y = 4x + 2
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4 0
3 years ago
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