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anastassius [24]
2 years ago
13

HELPPPPPPPPPPPP]PPPPPP​

Mathematics
1 answer:
Alinara [238K]2 years ago
6 0
1) negative linear association 2)non linear association (haven’t done in a while so not completely sure)
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Whens my birthday <br> sept 18 <br> oct 16<br> jan 3 <br> feb 14
AveGali [126]

Answer:

I'm going to guess that it is January 3rd. Happy birthday, late or early, by the way! :)

Step-by-step explanation:

6 0
2 years ago
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A major television manufacturer has determined that its 44 inch screens have a mean service life that can be modeled by a normal
Neko [114]

Answer:

P(5

And we can find this probability with thie difference:

P(-2

And in order to find these probabilities we can find tables for the normal standard distribution, excel or a calculator.  

P(-2

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".  

Solution to the problem

Let X the random variable that represent the heights of a population, and for this case we know the distribution for X is given by:

X \sim N(6,0.5)  

Where \mu=6 and \sigma=0.5

We are interested on this probability

P(5

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(5

And we can find this probability with thie difference:

P(-2

And in order to find these probabilities we can find tables for the normal standard distribution, excel or a calculator.  

P(-2

5 0
2 years ago
Evaluate the expression: <br> -a^2 + c(a-c) - n^2 a= -3 c= -2 n= 3
Travka [436]

Answer: -a^2+c\left(a-c\right)-n^2a=3\quad :\quad c=-\frac{-a+\sqrt{-3a^2-4an^2-12}}{2},\:c=-\frac{-a-\sqrt{-3a^2-4an^2-12}}{2}

Step-by-step explanation: YW! plese mark branlest!

7 0
1 year ago
Please help!!! I'll give brainliest, if you help U_U<br> Tysm for the help xD
Valentin [98]

Answer:

x is 122

Step-by-step explanation:

7 0
2 years ago
What is the relationship between the set of variables when comparing the speed a bus travels and the time it takes to get to sch
Tresset [83]

Answer: sorry

Step-by-step explanation:

5 0
3 years ago
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