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kolbaska11 [484]
3 years ago
7

Can some one tell me what this is equal to??!!!!

Mathematics
1 answer:
Anna71 [15]3 years ago
6 0

Nice handwriting!

I am pretty sure that its 18(?)

(I'm just a pleb, sorry if its wrong)

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A new test to detect TB has been designed. It is estimated that 88% of people taking this test have the disease. The test detect
Elodia [21]

Answer:

Correct option: (a) 0.1452

Step-by-step explanation:

The new test designed for detecting TB is being analysed.

Denote the events as follows:

<em>D</em> = a person has the disease

<em>X</em> = the test is positive.

The information provided is:

P(D)=0.88\\P(X|D)=0.97\\P(X^{c}|D^{c})=0.99

Compute the probability that a person does not have the disease as follows:

P(D^{c})=1-P(D)=1-0.88=0.12

The probability of a person not having the disease is 0.12.

Compute the probability that a randomly selected person is tested negative but does have the disease as follows:

P(X^{c}\cap D)=P(X^{c}|D)P(D)\\=[1-P(X|D)]\times P(D)\\=[1-0.97]\times 0.88\\=0.03\times 0.88\\=0.0264

Compute the probability that a randomly selected person is tested negative but does not have the disease as follows:

P(X^{c}\cap D^{c})=P(X^{c}|D^{c})P(D^{c})\\=[1-P(X|D)]\times{1- P(D)]\\=0.99\times 0.12\\=0.1188

Compute the probability that a randomly selected person is tested negative  as follows:

P(X^{c})=P(X^{c}\cap D)+P(X^{c}\cap D^{c})

           =0.0264+0.1188\\=0.1452

Thus, the probability of the test indicating that the person does not have the disease is 0.1452.

4 0
3 years ago
PLS HELP AS SOON AS YOU CAN!!!....
N76 [4]

Answer:

I would say B because there are 15 1s


5 0
3 years ago
- sqrt737 is rational or irrational
denpristay [2]

Answer: <u>Irrational </u>

It's irrational because of how 37 comes out of the square root.

For example:

The square root of 64 comes out to 8, which is a whole number. But 37, comes out as an integer and a decimal.

5 0
3 years ago
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2c + 4d<br> C=8<br> D=-5<br> Please help
Dahasolnce [82]

Answer:

2c+4d

if c=8 and D=5,

2(8)+4(5)

16+20

=36

Step-by-step explanation:

5 0
2 years ago
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Apothem =<br> Side =<br> Radius =<br> Perimeter =<br> Area =
Dafna11 [192]

Answer:

I dont understand th equestion

Step-by-step explanation:

4 0
3 years ago
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