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castortr0y [4]
3 years ago
9

In repeated samples, approximately 99% of all differences in sample means will fall within the bounds of the interval already co

mputed.
a. True
b. False
Mathematics
1 answer:
Inga [223]3 years ago
5 0

Answer:

a) True

Step-by-step explanation:

Repeated samples are a type of samples that are used to determine the features or characteristics or a given set of data.

In repeated samples, statistical techniques are applied whereby two samples that have similar characteristics are tested or analysed under different conditions.

Repeated samples can also be called matched or paired samples.

In repeated samples , we have what we refer to as confidence intervals. These are intervals whereby the true and correct value of certain parameters such as mean, the standard deviation of a given data or distribution is determined. We have confidence interval levels of 90%, 95% and 99%.

In repeated samples, approximately 99% of all differences in sample means will fall within the bounds of the interval already computed.

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Write the statement as an algebraic expression.
Firdavs [7]

Answer:

(c^{2}+d)+2(cd)

Step-by-step explanation:

we know that

The algebraic expression of the phrase " The sum of square of c and d" is equal to adds the square of number c to the number d

(c^{2}+d)

The algebraic expression of the phrase " The sum of square of c and d increased by twice their product" is equal to

(c^{2}+d)+2(cd)

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3 years ago
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A flagpole broke in a storm. 7 meters are still sticking straight out of the ground, where it snapped, but the remaining piece h
serious [3.7K]
32 meters tall.
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What is the factored form of x^3 -1
lianna [129]

Answer:

The factored form of x^3 -1 will be:

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Step-by-step explanation:

Given the expression

x^3-1

Rewrite 1 as 1³

=x^3-1^3

\mathrm{Apply\:Difference\:of\:Cubes\:Formula:\:}x^3-y^3=\left(x-y\right)\left(x^2+xy+y^2\right)

x^3-1^3=\left(x-1\right)\left(x^2+x+1\right)

            =\left(x-1\right)\left(x^2+x+1\right)

Thus, the factored form of x^3 -1 will be:

x^3-1^3=\left(x-1\right)\left(x^2+x+1\right)

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Write a real-word problem in which the unit rate is 6 miles per hour
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A biker takes 10 hours to drive 60 miles.

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