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BaLLatris [955]
2 years ago
11

25736÷7654= help me please

Mathematics
2 answers:
bearhunter [10]2 years ago
8 0

3.36242487588 is the answer


yKpoI14uk [10]2 years ago
8 0

Answer:

I think this might help

Step-by-step explanation:


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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
2 years ago
Julio wanted to borrow $2400 from his parents to buy a scooter. His parents told him they would loan him the money for only 3% s
velikii [3]
$2700 is the answer                                                           
4 0
3 years ago
Find the area of shaded region.
Rudiy27

Hey there mate ;),

Area of The shades region is <u>3098 m^2</u>

The solution is attached as picture. Please check.

<em>Answered</em><em> </em><em>by</em><em> </em><em>Benjemin</em>

6 0
2 years ago
Help Plz!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Ivan
Place your dot roughly around 2.23.  The square root of 5 is 2.23
5 0
3 years ago
How many times does 5 go into 45?
Yanka [14]

Answer:

bruv this is second grade stuff

Step-by-step explanation:

9

6 0
2 years ago
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