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goblinko [34]
2 years ago
15

What is the area of the figure

Mathematics
1 answer:
mel-nik [20]2 years ago
6 0
The entire picture is needed to solve. the bottom of the pic is cut off
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According to the American Lung Association, 7% of the population has lung disease. Of those having lung disease, 90% are smokers
postnew [5]

Answer:

Probability that a smoker has lung disease = 0.2132

Step-by-step explanation:

Let L = event that % of population having lung disease, P(L) = 0.07

So,% of population not having lung disease, P(L') = 1 - P(L) = 1 - 0.07 = 0.93

S = event that person is smoker

% of population that are smokers given they are having lung disease, P(S/L) = 0.90

% of population that are smokers given they are not having lung disease, P(S/L') = 0.25

We know that, conditional probability formula is given by;

                        P(S/L) = \frac{P(S\bigcap L)}{P(L)}  

                        P(S\bigcap L) = P(S/L) * P(L)

                                      = 0.90 * 0.07 = 0.063

So,  P(S\bigcap L) = 0.063 .

Now, probability that a smoker has lung disease is given by = P(L/S)

      P(L/S) = \frac{P(S\bigcap L)}{P(S)}

P(S) = P(S/L) * P(L) + P(S/L') * P(L')

       = 0.90 * 0.07 + 0.25 * 0.93 = 0.2955

Therefore, P(L/S) = \frac{0.063}{0.2955} = 0.2132

Hence, probability that a smoker has lung disease is 0.2132 .

7 0
3 years ago
WILL GIVE BRAINLIEST a card is picked from the following card find the probability that the card drawn is purple
KiRa [710]

Answer: 2/7

Step-by-step explanation: if there are 7 cards and two of them are purple, we can show this as 2/7

8 0
2 years ago
Read 2 more answers
Select the correct answer.
Alla [95]

Answer:

Step-by-step explanation:

7 0
2 years ago
What is the value of the expression when a = 5 and b = 2? 2a+b−3 A.6 B.9 C.11 D.24
Studentka2010 [4]

2a + b - 3

2(5) + 2 - 3

10 + 2 - 3

12 - 3 = 9

Answer - 9

Hope this Helps!!

6 0
3 years ago
Read 2 more answers
I need help with this question and no link or I’ll report u
Ugo [173]
It would be 35 because we can assume that both y’s on the left side are parallel to the right side, and so they would have to be a 35 on each side
3 0
2 years ago
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