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Mama L [17]
3 years ago
14

Hellp plz....please explain so I can learn ​

Mathematics
2 answers:
ElenaW [278]3 years ago
5 0
The answer is b. 32%
steps:
Step 1. we make the assumption that 326 is 100% since it is our output value

Step 2. we next represent the value we seek with x

Step 3. from step 1, it follows that 100% =326

Step 4. in the same vein, x% = 104

Step 5. this gives us a pair of simple equations:
100% = 326(1)
x% = 104(2)

Step 6. by simplifying dividing equation 1 by equation 2 and taking note of the fact that both the LHS (left hand side) if both equations have the same unit (%); we have
100% / x% = 326/ 104

Step 7. taking the inverse (or reciprocal) of both sides yields
x% / 100% = 104 / 326
—> x = 31.9% or if you round it up 32%
therefore, 104 is 31.9% of 326

hopefully this helped! if you have any other questions like this one ill be happy to answer them for you :)
Ulleksa [173]3 years ago
3 0

Answer:

The answer is B 32%

Step-by-step explanation:

104/325 = 0.32 then move the decimal to the right twice to make it a percentage.

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The probability of contamination in batch 1 of a drug (event A) is 0.16, and the probability of contamination in batch 2 of the
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We have:
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P(A∩B) = 0.12 × 0.16
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When two events are independent, P(A) × P(B) = P(A∩B) so if P(A∩B) = 0.0192, then P(B) will be 0.0192 ÷ 0.16 = 0.12 (which take us back to P(B|A))

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