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Papessa [141]
1 year ago
15

What is the correct function for the national center for missing & exploited children (ncmec)?

SAT
1 answer:
shtirl [24]1 year ago
8 0

The function is that they help in looking for Missing and  exploited Children  and thus  they fasten the process of looking for or the identification of missing children and also their  reunification. -

<h2>What is the correct function of this group?</h2>

The National Center for Missing & Exploited Children (NCMEC) serves as a body that  help to give assistance to parents, children, and others in getting back missing children and raising public awareness in other to stop or prevent child abduction, and others.

Note that The function is that they help in looking for Missing and  Exploited Children  and thus  they fasten the process of looking for or the identification of missing children and also their  reunification. -

Learn more about parent from

brainly.com/question/240537

#SPJ2

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Which of the following is an illuminated object?<br> a lightbulb<br> a fire<br> the Sun<br> the Moon
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Answer:

The moon is the illuminated object.

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Forms of money in the united states consist of paper money, coins, and _____.
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Answer: "checking account balances"

Explanation:

     If you had the options:

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checking account balances

   The option "checking account balances" is the answer to your problem. In simple terms, this is the "money you have in the bank."

<em>Learn more about your problem here: brainly.com/question/678565</em>

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In the modern model of the atom over 99. 9 of the atom is made up of.
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Earth or the galaxy. Im sorry if i’m wrong But this is my answer
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3 years ago
A data analyst is working with a data frame named customers. It has separate columns for area code (area_code) and phone number
VARVARA [1.3K]

The code chunk that lets the analyst create the phone_number column is: unite(customers, "phone_number", area_code, phone_num, sep="-"

<h3>What is a data frame?</h3>

A data frame refers to a two-dimensional array-like structure or table that is made up of rows and columns, which is typically used for storing data in R Studio using the R programming language.

In Computer programming, a data frame is a list of vectors that are all equal in length, and each column consist of values of one variable while each row consist of a set of values from each column.

<h3>The executable code in R Studio.</h3>

In this scenario, the code chunk that would be used to create a data frame that combines the two columns into a single column (phone_number) is:

  • unite(customers, "phone_number", area_code, phone_num, sep="-"

Read more on data frame here: brainly.com/question/25558534

8 0
2 years ago
In a study of helicopter usage and patient survival, among the 56,074 patients transported by helicopter, 235 of them
xxMikexx [17]

Using the hypergeometric distribution, it is found that the probability is 0.845 = 84.5%.

--------------------

  • The patients are chosen from the sample without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

The parameters are:

  • x is the number of successes.
  • N is the size of the population.
  • n is the size of the sample.
  • k is the total number of desired outcomes.

Combination formula:

is the number of different combinations of x objects from a set of n elements, given as:

C_{n,x} = \frac{n!}{x!(n-x)!}

--------------------

  • 56074 patients, thus N = 56074
  • Sample of 40, thus, n = 40
  • 235 left against medical advice, thus, k = 235.

The probability that none left against medical advice is P(X = 0), so:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,56074,40,235) = \frac{C_{235,0}*C_{55839,40}}{C_{56074,40}} = 0.845

The probability is 0.845 = 84.5%.

A similar problem is given at brainly.com/question/24008577

6 0
2 years ago
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