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hammer [34]
3 years ago
11

you did not know that there was a categorical variable influencing these clusters (winter and summer), what might you estimate f

or a plausible correlation coefficient?
Mathematics
1 answer:
alexira [117]3 years ago
6 0

Answer:

+0.8

Step-by-step explanation:

The correlation coefficient is a statistical and arithmetical measure of the force of the relationship among the relative movements of two variables. The values are between the range of -1.0 and 1.0.

When theirs is a calculated number bigger than 1.0 or smaller than -1.0, then that means there was an error in the correlation measurement.

The Correlation Coefficients (R) which is calculated amid the Summer and Winter UHIs is Derived From T s , T a , and T ac a UHI R Between Summer and Winter UHIs Slope.

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Determine whether the graph is the graph of a function.
photoshop1234 [79]

Answer:

  Yes

Step-by-step explanation:

Unless the line is vertical, the graph of any straight line is the graph of a function.

___

A vertical line does not map x to one single y-value, so it does not represent a function. Any other line does map each x to a single y-value, so does represent a function.

8 0
3 years ago
Read 2 more answers
A dice is rolled 4 times. What is the probability of showing a 6 on every roll?
marin [14]

Answer:

4/24 times

Step-by-step explanation:

Since there are 6 sides on a dice and it's rolled 4 times you would need to do 6*4 which is 24, then every number could have the probability of 4/24 to get rolled every time.

5 0
3 years ago
When doing blood testing for a viral infection, the procedure can be made more efficient and less expensive by combining partial
Serjik [45]

Answer:

0.1694 = 16.94% probability of a positive result for three samples combined into one mixture.

Step-by-step explanation:

For each test, there are only two possible outcomes. Either it is positive, or it is negative. The probability of a test being positive or negative is independent of any other test, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

And p is the probability of X happening.

The probability of an individual blood sample testing positive for the virus is 0.06.

This means that p = 0.06

If samples from three people are combined and the mixture tests negative, we know that all three individual samples are negative. Find the probability of a positive result for three samples combined into one mixture.

It will be positive if at least one of the tests is positive, that is:

P(X \geq 1) = 1 - P(X = 0)

In which

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{3,0}.(0.06)^{0}.(0.94)^{3} = 0.8306

Then

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.8306 = 0.1694

0.1694 = 16.94% probability of a positive result for three samples combined into one mixture.

8 0
3 years ago
Giovanna has a score of -5 in canasta Vera score is -10
MariettaO [177]

Answer:

5

Step-by-step explanation:

I do not fully understand what the question is because you didn't ask a question, so I just found the difference between the 2 scores, which would be a positive 5.

Or if its asking which score is greater it would be Giovanna because her score was closer to zero than Vera's score.

5 0
3 years ago
Please help thank you 5th grade math
Juliette [100K]
14. The answer is hundred-thousandths. The 2 is in the tenths place, the 0 is in the hundredths place, and then 5 is in the hundred thousandths place, etc etc.

15. The quarter and the penny. Like I said above, the hundredth’s place is the second number after the decimal.




Hope this helps xx
3 0
3 years ago
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