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vova2212 [387]
3 years ago
9

What does it mean that a sample is representative of the population?

Mathematics
1 answer:
wolverine [178]3 years ago
4 0
A representative sample is a subset of a population that seeks to accurately reflect the characteristics of the larger group.
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Write an equation in slope intercept form for a line that passed through the two points below (-4,7), (8,1)
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Y= -1/2x + 5
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Yolanda is riding her bike. The number of revolutions (turns) her wheels make varies directly with the distance she travels. See
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Emery Mining Inc. recently reported $147,500 of sales, $75,500 of operating costs other than depreciation, and $10,200 of deprec
Molodets [167]

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net income is $48452.81

Step-by-step explanation:

Sales =$147500

subtract operating expenses

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subtract non- operating costs

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6 0
3 years ago
A shop sells chocolate, vanilla and strawberry ice creams. 45% of the ice creams sold are vanilla, and 1/4 are strawberry. What
Alinara [238K]

Answer:

Step-by-step explanation:

Total percentage = 100%

And we know that proportions of Vanilla +chocolate +strawberry = 100%

Proportion of Vanilla = 45%

Proportion of Strawberry = 1/4  *100 = 25%

Let proportion of chocolate be represented by variable C;

So, 45% +25% + C = 100%

65% +C = 100%

Subtract 65% from both sides to solve for C;

C=100% - 65%

C = 35%

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8 0
3 years ago
A large tank holds 1.9 x 10^7 gallons of oil. How much oil can be stored in 9 tanks. Write your answer in scientific notation.
bearhunter [10]

Answer:

1.71 × 10^8 gallons

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1.9 × 10^7 = 19,000,000

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171,000,000 in scientific notation is 1.71 × 10^8

5 0
3 years ago
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