A ____________ is sometimes a rectangle

Mathematics

2 answers:

Ratling [72]2 years ago

7 0

Answer:

parallelogram

Step-by-step explanation:

Tema [17]2 years ago

7 0

Parallelogram is the answer,
rhombus, square, and trapezoid are all their own shapes, parallelogram is a four-sided plane rectilinear figure with opposite sides parallel. So basically a parallelogram is a shape with four sides.
Hope this helps.

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Answer:

Step-by-step explanation:

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Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. (a) What are

Dmitriy789 [7]

Answer:

a) $\bar X \sim N(40,\frac{5}{\sqrt{64}}=0.625)$

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Step-by-step explanation:

Previous concepts

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".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Let X the random variable that represent interest on this case, and for this case we know the distribution for X is given by:

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