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sertanlavr [38]
4 years ago
9

Suppose that 3% of all athletes are using the endurance-enhancing hormone EPO (you should be able to simply compute the percenta

ge of all athletes that are not using EPO). For our purposes, a “positive” test result is one that indicates presence of EPO in an athlete’s bloodstream. The probability of a positive result, given the presence of EPO is .99. The probability of a negative result, when EPO is not present, is .90. What is the probability that a randomly selected athlete tests positive for EPO? 0.0297
Mathematics
1 answer:
trapecia [35]4 years ago
6 0

Answer:

Step-by-step explanation:

So there is a 3% probability that an athlete is using EPO .

The probability of showing positive on a test when you've used it is 0.99.

3% x 0.99= 2.97%

The probability of a positive result without EPO is 0.1

97% x 0,1 = 9,7 %

My guess is that 2.97% + 9,7% = 12.67% or 0.1267.

I don't know i may be wrong because you've put as an answer 0.0297 but if you like you may take only the first part of the answer.

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Seven hundred fifteen divided by eight
ExtremeBDS [4]

Answer:

89.375 or 89.4 if rounded

Step-by-step explanation:

715 divided by 8 = 89.375

check this by doing 89.375 x 8

hope this helps

7 0
3 years ago
Read 2 more answers
Dean Baldus enjoys scuba diving. He dives to 34 ft below the surface of a lake. His partner Jeff​ Balius, dives to 39 ft below t
saw5 [17]
The vertical distance between Dean and Jeff is 13 ft below the surface

Explanation:

Jeff dove 39 ft below the surface and then ascends 18 ft

-39 - 18 = 21

Jeff is 21 ft below the surface

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Dean is 34 ft below the surface

-34 - (-21) = -13 ft

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So, Dean and Jeff are 13 feet away from each other (vertical distance).
5 0
3 years ago
Question 1
erastova [34]

Answer:

217 is the perfect swuare i think

7 0
3 years ago
Drag each figure to show if it is similar to the figure shown or why it is not similar.
schepotkina [342]

Answer:

Step-by-step explanation:

Similar figures have the same shape but the same size.

Moving from left to right:

The first figure is similar because it is rotated

The second figure is not similar because of shape

The third figure is not similar because of different ratio the ratio for the figure above is 3/5 or 0.6, while this figure is 12/15 or 0.8

The fourth figure is not similar because of ratio, but it is still a rectangle

The fifth figure is not similar because of shape

The last figure is similar because the ratio is the same with 6/10 or 0.6

5 0
3 years ago
Your client has saved $2500 for a down payment on a house. A government loan program requires a down payment equal to 2.5% of th
EleoNora [17]

Answer:

The largest amount that could be received is $100,000

Step-by-step explanation:

Here in this question , we are interested in calculating the largest amount loan amount that could be received.

Now, let the loan amount be $x

What we know is that the amount of down payment paid is 2.5% of the loan amount.

Thus, mathematically;

2.5% of x = 2500

2.5/100 * x = 2500

2.5x/100 = 2500

2.5x = 100 * 2500

x = (2500 * 100)/2.5

x = 100,000

The largest loan amount that could be received with the program is $100,000

8 0
3 years ago
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