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ira [324]
4 years ago
10

A family moved to Orlando, FL and bought a home. They paid $254,876 for their house. In their neighborhood the mean price of a h

ome is $267,985 with a standard deviation of $5,834. Calculate the z-score for the price of their home and indicate if the price they paid for their home usual or unusual?
Mathematics
1 answer:
Fofino [41]4 years ago
8 0

Answer:

Step-by-step explanation: standard score is equal to sample mean - population mean all over standard deviation.

Z=×-u/sigma. Where sigma is standard deviation. 267985-254876=13109. 13109/5834=2.247. Therefore the standard score is 2.247. The price they paid for the house is usual.

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6 0
3 years ago
Y=? What is Y? Please help me!
kumpel [21]
Answer:   y = 6 mi.  .
______________________________________________
Explanation:
______________________________________________
Area of a triangle = (½) * (base) * (height) ;

or,  A = (½) * b * h ;  or,  A = b*h / 2 ;
_____________________________________
Given:  A = 24.3 mi ² ;
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Find the height, "h" ;  (in units of "miles", or , "mi" ).
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   Plug in the known values into the formula:

24.3 mi ² = (½) * (8.1 mi) *(h) ;
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Solve for "h" (height) ;
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Rewrite: 
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24.3 mi² = (4.05 mi) *(h) ;  Solve for "h" ;
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 Divide each side of the equation by "(4.05 mi)" ; to isolate "h" on one side of the equation ; and to solve for "h" ; 
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   24.3 mi²  / 4.05 mi  = (4.05 mi) *(h)  / 4.05 mi ;
                                 
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              →      h = y = 6 mi. 
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7 0
3 years ago
Read 2 more answers
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Hey There,

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