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monitta
2 years ago
8

If x = −3, which number line shows the value of |x|? (5 points)

Mathematics
1 answer:
Arada [10]2 years ago
3 0
Can’t see your answer choices but the absolute value of -3 is 3 so I would say 3 is your answer
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Step-by-step explanation:

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Suppose that 10% of the undergraduates at a certain university are foreign students, and that 25% of the graduate students are f
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Answer:

0.6154 = 61.54% probability that the student is an undergraduate

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Foreign

Event B: Undergraduate.

There are four times as many undergraduates as graduate students

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Probability the student is foreign:

10% of 80%

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10% of 80%. So

P(A \cap B) = 0.1*0.8 = 0.08

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P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.08}{0.13} = 0.6154

0.6154 = 61.54% probability that the student is an undergraduate

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