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disa [49]
4 years ago
5

Find The Difference.

Mathematics
1 answer:
kozerog [31]4 years ago
6 0

Answer:

-10

-20

-26

48

40

-2

Step-by-step explanation:

I used a calculator to make sure

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14. Suppose that 1 out of every 10,000 doctors in a certain region is infected with the SARS virus; in the same region, 20 out o
hram777 [196]

Answer:

The person in the at-risk population is much more likely to actually have the disease

Step-by-step explanation:

The probability of a randomly selected doctor having the disease is 1 in 1,000 (P(I)=0.0001).

The probability that a doctor is infected with SARS, given that they tested positive is:

P(I|+)=\frac{P(I)*0.99}{P(I)*0.99+(1-P(I))*0.01}\\P(I|+)=\frac{0.0001*0.99}{0.0001*0.99+(1-0.0001)*0.01}\\P(I|+)=9.9*10^{-3}

The probability of a randomly selected person from the at-risk population having the disease is 20 in 100 (P(I)=0.20).

The probability that a person in the at-risk population is infected with SARS, given that they tested positive is:

P(I|+)=\frac{P(I)*0.99}{P(I)*0.99+(1-P(I))*0.01}\\P(I|+)=\frac{0.2*0.99}{0.2*0.99+(1-0.2)*0.01}\\P(I|+)=0.962

Therefore, the person in the at-risk population is much more likely to actually have the disease

3 0
3 years ago
State the point of intersection
puteri [66]
Um well because the arrow going from left to righ its six-eight, then 6-6, so like 0 and -2
4 0
3 years ago
Dimitrius returned 5 library books last week, returned 3 books this week, and then checked out 8 more books. He now has 12 libra
g100num [7]
To solve this problem, we have to set up an equation. Let the variable x represent the number of books that Dimitrius had before last week. x - 5 - 3 + 8 = 12 To begin simplifying this equation, lets combine terms on the left side of the equation. x - 8 + 8 = 12 The -8 and +8 cancel each other out, leaving us with: x=12 Therefore, Dimitrius had 12 books before last week. Hope this helps! :)
8 0
3 years ago
Read 2 more answers
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Effectus [21]
5 x 6 = 30


The area is 30
4 0
3 years ago
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Write 2 1/4<br> as an improper fraction.
Vika [28.1K]

Answer:

9/4

Step-by-step explanation:

First multiply denominator by the whole

That is: 4 x 2 = 8

Secondly, whatever answer you got add it to the numerator

That is: 8 + 1 = 9

Lastly, whatever answer you got, take that as the numerator and the denominator remains the same

That is: 9/4

Finally, this is your improper fraction of the number provided!

Hope it helps!!!

3 0
3 years ago
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