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3 years ago

8

GDP measures the production levels of any nation. This implies a correlation between production levels and ____________.

Computers and Technology

1 answer:

loris [4]3 years ago

4 0

<span>C. Average Income ih ope this helps

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At the coffee shop where they work, Jen is the safety officer, Richard is in charge of administering first aid, Ashley is respon

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They have etablished a good first aid system.

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3 years ago

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Oxnard Casualty wants to ensure that their e-mail server has 99.98 percent reliability. They will use several independent server

sattari [20]

Answer:

The smallest number of servers required is 3 servers

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Explanation:

Given

$Reliability = 99.98\%$

$Individual Servers = 95\%$

Required

Minimum number of servers needed

Let p represent the probability that a server is reliable and the probability that it wont be reliable be represented with q

Such that

$p = 95\%\\$

It should be noted that probabilities always add up to 1;

So,

$p + q = 1$ '

Subtract p from both sides

$p - p + q = 1 - p$

$q = 1 - p$

Substitute $p = 95\%\\$

$q = 1 - 95\%$

Convert % to fraction

$q = 1 - \frac{95}{100}$

Convert fraction to decimal

$q = 1 - 0.95$

$q = 0.05$

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

<em>To get an expression for one server</em>

The probabilities of 1 servers having 99.98% reliability is as follows;

$p = 99.98\%$

Recall that probabilities always add up to 1;

So,

$p + q = 1$

Subtract q from both sides

$p + q - q = 1 - q$

$p = 1 - q$

So,

$p = 1 - q = 99.98\%$

$1 - q = 99.98\%$

Let the number of servers be represented with n

The above expression becomes

$1 - q^n = 99.98\%$

Convert percent to fraction

$1 - q^n = \frac{9998}{10000}$

Convert fraction to decimal

$1 - q^n = 0.9998$

Add $q^n$ to both sides

$1 - q^n + q^n= 0.9998 + q^n$

$1 = 0.9998 + q^n$

Subtract 0.9998 from both sides

$1 - 0.9998 = 0.9998 - 0.9998 + q^n$

$1 - 0.9998 = q^n$

$0.0002 = q^n$

Recall that $q = 0.05$

So, the expression becomes

$0.0002 = 0.05^n$

Take Log of both sides

$Log(0.0002) = Log(0.05^n)$

From laws of logarithm $Loga^b = bLoga$

So,

$Log(0.0002) = Log(0.05^n)$ becomes

$Log(0.0002) = nLog(0.05)$

Divide both sides by $Log0.05$

$\frac{Log(0.0002)}{Log(0.05)} = \frac{nLog(0.05)}{Log(0.05)}$

$\frac{Log(0.0002)}{Log(0.05)} = n$

$n = \frac{Log(0.0002)}{Log(0.05)}$

$n = \frac{-3.69897000434}{-1.30102999566}$

$n = 2.84310893421$

$n = 3 (Approximated)$

<em>Hence, the smallest number of servers required is 3 servers</em>

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3 years ago

In which of these areas can software engineers specialize?

Elza [17]

Answer:

as me I choose managing user programs.

Explanation:

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3 years ago

The principal objectives of computer security are to prevent unauthorized users from gaining access to resources, to prevent leg

Lena [83]

Answer:

True is the correct Answer for the above question.

Explanation:

Computer security is a security in which data of the computer is secured from the access of unauthorized users. It is primarily achieved to stop the access grant to the unauthorized user.
It means that there is an authorization point which decides that the user is authorized or not. If the user is authorized then only he can enter the system otherwise he can not able to enter the system.
It helps to secure the data and the data is the important point of the computer system.
The question also states the same which is described above. Hence true is the correct answer.

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3 years ago

_____ is a higher-level, object-oriented application interface used to access remote database servers

makkiz [27]

RDO.

RDO uses the lower-level DAO and ODBC for direct access to databases.

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1 year ago