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2 years ago

A positive number with divisors besides one and itself is called ?

2 answers:

8 0

We know that a positive number where only one and itself divide it is called a prime number. A positive number with divisors other than 1 and itself are called composite numbers.

Fiesta28 [93]2 years ago

4 0

Answer:

The answer is: A positive number with divisors besides one and itself is called a composite number.

Step-by-step explanation:

Unlike prime numbers, which can only be divided by one and themselves, composite numbers have other divisors apart from these two. All even numbers greater than two, for example, are composite numbers because of the fact that they can all be divided by one, themselves and the number two.

An example of a prime number is 11 (It can only be divided by 11 and 1)

An example of a composite numbers is 12 (It can be divided by 1, 2, 3, 4, 6 and 12)

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Twice a number is less than or equal to the sum of a number and 15

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Step-by-step explanation:

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2 years ago

According to a polling organization, 24% of adults in a large region consider themselves to be liberal. A survey asked 200 resp

Varvara68 [4.7K]

Answer:

$z=\frac{0.375 -0.24}{\sqrt{\frac{0.24(1-0.24)}{200}}}=4.47$

Now we can calculate the p value based on the alternative hypothesis with this probability:

$p_v =P(z>4.47)=0.00000391$

The p value is very low compared to the significance level of $\alpha=0.05$ then we can reject the null hypothesis and we can conclude that the true proportion of people liberal is higher than 0.24

Step-by-step explanation:

Information given

n=200 represent the random sample taken

X=75 represent the number of people Liberal

$\hat p=\frac{75}{200}=0.375$ estimated proportion of people liberal

$p_o=0.24$ is the value that we want to test

z would represent the statistic

$p_v$ represent the p value

Hypothesis to test

We want to verify if the true proportion of adults liberal is higher than 0.24:

Null hypothesis: $p \leq 0.24$

Alternative hypothesis: $p > 0.24$

The statistic is given by:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

Replacing the info given we got:

$z=\frac{0.375 -0.24}{\sqrt{\frac{0.24(1-0.24)}{200}}}=4.47$

Now we can calculate the p value based on the alternative hypothesis with this probability:

$p_v =P(z>4.47)=0.00000391$

The p value is very low compared to the significance level of $\alpha=0.05$ then we can reject the null hypothesis and we can conclude that the true proportion of people liberal is higher than 0.24

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3 years ago

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3 years ago

Read 2 more answers

Any face that is not a base

Ann [662]

Answer:

In Mathematics Geometry, lateral face is said be the side of a 3D-figure in that is not a base.

Please check the attached figure to visual the concept.

Step-by-step explanation:

In Mathematics Geometry, lateral face is said be the side of a 3D-figure in that is not a base.

The faces in in a prism or pyramid which are not bases are basically the lateral faces.

For example, the lateral faces are basically parallelograms in Triangular prism which are not the bases.

Please check the attached figure to visual the concept.

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2 years ago