3 years ago

The scatterplot below represents the amount of paper left in an office copy machine in the month of June.

Mathematics

2 answers:

monitta3 years ago

5 0

Answer:

Step-by-step explanation:

Inga [223]3 years ago

3 0

Approximately 87, I could be wrong

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The amount of money earned by bank customers based on the amount of principal in their savings account is _______________.

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Step-by-step explanation:

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4 years ago

The weekly earnings of students in one age group are normally distributed with a standard deviation of 47 dollars. A researcher

ELEN [110]

Answer:

Option D) 340

Step-by-step explanation:

We are given the following in the question:

Alpha, α = 0.05

Population standard deviation, σ = $47

Margin of error = 5

95% Confidence Interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

$\text{Margin of error} = z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$5 = 1.96(\dfrac{47}{\sqrt{n}} )\\\\\sqrt{n} = \dfrac{47\times 1.96}{5}\\\\n = 339.443776\\\Rightarrow n \approx 340$

Thus, the correct answer is

Option D) 340

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3 years ago

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Answer:

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3 years ago

last week, Saul ran more than one-fifth the distance that his friend Omar ran. If Saul ran 14 miles last week, how far did Omar

Sonja [21]

1/5 = 14
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