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SIZIF [17.4K]
3 years ago
8

What is 1/3 and 2/3 as decimals?

Mathematics
2 answers:
GrogVix [38]3 years ago
7 0

Answer:

0.3 and

Step-by-step explanation:

You can convert the fraction to a decimal by dividing the numerator by the denominator.

Dividing 1 and 3 would get me 0.3.

Same goes for 2/3. If I divide 2 and 3, it would get me 0.6.

Hope this helps! :D

- Anna

hoa [83]3 years ago
3 0

Answer:

1/3=0.333333...

2/3=0.666666...

Step-by-step explanation:

1/3=0.333333...

2/3=0.666666...

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The sum of the components of anything equals the whole thing. Which property/postulate does this statement represent?
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The property that is being described in the statement "The sum of the components of anything equals the whole thing" would be the Partition Postulate. It is simply the whole is equal to the sum of its parts. For instance we have a line where it contains points W, X, Y and Z, then WX + XY + YZ = WZ.
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3 years ago
Suppose that a manager is interested in estimating the average amount of money customers spend in her store. After sampling 36 t
musickatia [10]

Answer:

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

The 90% confidence interval for this case would be (38.01, 44.29) and is given.

The best interpretation for this case would be: We are 90% confident that the true average is between $ 38.01 and $ 44.29 .

And the best option would be:

The store manager is 90% confident that the average amount spent by all customers is between S38.01 and $44.29

Step-by-step explanation:

Assuming this complete question: Which statement gives a valid interpretation of the interval?

The store manager is 90% confident that the average amount spent by the 36 sampled customers is between S38.01 and $44.29.

There is a 90% chance that the mean amount spent by all customers is between S38.01 and $44.29.

There is a 90% chance that a randomly selected customer will spend between S38.01 and $44.29.

The store manager is 90% confident that the average amount spent by all customers is between S38.01 and $44.29

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

Solution to the problem

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

The 90% confidence interval for this case would be (38.01, 44.29) and is given.

The best interpretation for this case would be: We are 90% confident that the true average is between $ 38.01 and $ 44.29 .

And the best option would be:

The store manager is 90% confident that the average amount spent by all customers is between S38.01 and $44.29

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3 years ago
A plane intersects a rectangular pyramid horizontally as shown. Describe the cross-section. A) circle Eliminate B) rectangle C)
Katarina [22]

Rectangle

Hope this helps :)

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vichka [17]

Answer:

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Step-by-step explanation:

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REY [17]

Answer:

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Step-by-step explanation:

We need to find (-25)^{\frac{1}{2} }

We have

(-25)^{\frac{1}{2} }=\sqrt{-25} \\\\=\sqrt{25} \times\sqrt{-1} \\\\=5 i

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