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kondor19780726 [428]
3 years ago
11

Please someone help me! asap!!

Mathematics
1 answer:
kramer3 years ago
6 0

Answer:

Last option= 30 minutes

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<h2><em>7</em><em>2</em><em>.</em><em>9</em><em>°</em></h2>

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3 years ago
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s344n2d4d5 [400]

Answer:

Correct option: (B) 1.495%.

Step-by-step explanation:

Denote the events as follows:

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

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The information given are:

P(X|A)=1\\P (X|A^{c})=0.005\\P(A)=0.01

According to the law of total probability the probability of an event <em>A, </em>conditional upon the occurrence of another event <em>B</em> is:

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Use this law to compute the probability of person having a positive result as follows:

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The percentage of positive result is: 0.01495 × 100 = 1.495%.

Thus, the percentage of the population will give a positive test is 1.495%.

4 0
3 years ago
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Answer:

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Answer:

A. x+(x+5)=32

Step-by-step explanation:

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