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dusya [7]
3 years ago
15

1250 randomly chosen individuals from a certain population are tested for the presence of the HIV virus, and 20 are found to be

carriers of the virus. Based on this information, what is the estimate of P(V), the probability that a randomly chosen person from this population carries the HIV virus?
Mathematics
1 answer:
Harrizon [31]3 years ago
6 0

Answer:

0.016

Step-by-step explanation:

To find the probability we have to Divide the number of events by the total number of possible outcomes. This will result in the probability of the single event.

Therefore, the formula of probability is

P(v) = \frac{no of events}{total possible outcomes}\\

In the given case,

P(v) = \frac{20}{1250}\\ P(v) = 0.016

Which is our required answer.

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Area= 18yd squared, length= 6yd<br> width=
GenaCL600 [577]

Answer:

The width is 3 yds

Step-by-step explanation:

Area = length * width

18 = 6*w

Divide each side by 6

18/6 = 6w/6

3=w

The width is 3 yds

7 0
3 years ago
An investment that you bought ____ and sold for ___ made a profit
Irina-Kira [14]
A. 400, 500
The question mentions you make a profit, which is to make more money than what you spent or put in. All other choices would make the statement say you ended up having less money, which is money lost, not profit.
5 0
3 years ago
Please help me with the question please ASAP ASAP please please ASAP please please help please please ASAP please please IM BEGG
Oksi-84 [34.3K]

Answer:

Ok if you look at the figure, it is a vertical angle. This means that the angle opposite to each other is congruent.

m<1 is congruent to m<3

m<2 is congruent to m<4

m<3 is 60⁰ and is congruent to m<1. This means that m<1 is 60⁰. m<4 is 30⁰ and is congruent to m<2. This means that m<2 is 30⁰.

m<1 = 60⁰

m<2 = 30⁰

m<3 = 60⁰

m<4 = 30⁰

Hope this helps, thank you :) !!

4 0
3 years ago
Read 2 more answers
Can someone help me
Mila [183]

Answer:

Number of stars: 2+2+2+2+2+2

=6×2

Step-by-step explanation:

The stars are added in pairs of two. The pair that is 2+2+2+2+2 is five groups of 2 or 2 groups of five.

Since another pair of two wad added, there is one more pair. Instead of 5×2

Which means 5 groups of 4, it is not 6 groups of 2. I hope I helped you! Have a good day :3

7 0
3 years ago
V over 4 minus 3 equals 5, what does v equal?
Lyrx [107]

Answer:

32

Step-by-step explanation:

v/4 -3=5

       +3 so the 3's cancel out

v/4=8

x4      x4

v=32

6 0
3 years ago
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