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artcher [175]
3 years ago
14

Many families in California are using backyard structures for home offices, art studios, and hobby areas as well as for addition

al storage. Suppose that the mean price for a customized wooden, shingled backyard structure is $3,200. Assume that the standard deviation is $1,200. (a) What is the z-score for a backyard structure costing $2,300
Mathematics
1 answer:
Natalija [7]3 years ago
7 0

Answer:

-0.75

Step-by-step explanation:

To get the z score we have to use this formula

Z = X-mean/standard deviation

X = 2300

Mean = 3200

The standard deviation = 1200

When we plug these values into the z formula above, we have:

2300-3200/1200

= -900/1200

= -0.75

the z-score for a backyard structure costing $2,300 is therefore -0.75

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Answer:

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Step-by-step explanation:

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Step one:

given data:

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Step two:

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The expression for the situation is modeled as

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Answer:

Step-by-step explanation:

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