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DaniilM [7]
3 years ago
11

Pls help this is urgent

Mathematics
2 answers:
ladessa [460]3 years ago
8 0

Answer:

\frac{196}{800}  converted to decimal is 0.245

Step-by-step explanation:

Andru [333]3 years ago
4 0
The answer is .245 all you needed to do was divide top by bottom!!
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2 years ago
What’s the correct answer for this?
slava [35]

Answer:

1/4

Step-by-step explanation:

Let's denote the probabilities as following:

Probability that a teenager has a sister:

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Probability that a teenager has a brother:

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Probability that a teenager has both a sister and a brother:

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Probability that a selected teenager has a sister also has a brother, or in other words, he/she has a brother, given he/she had a sister:

P(B|A)

Let's apply the formula of conditional probability to work out P(B|A)

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=> Option C is correct

Hope this helps!

7 0
3 years ago
An urn contains 10 marbles: 4 red, 3 white, 2 blue, and 1 orange. (4 points) (a) What is the probability of drawing a marble tha
photoshop1234 [79]

Answer:

a) 0.70

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Step-by-step explanation:

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b)  Prob of drawing a marble neither red nor white = 1-7/10 = 0.30

c)  Prob of drawing two marble one red and one  white at the same time

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d) Prob of drawing two marble one blue and orange  white at the same time

= \frac{2C1 (1C1}{10C2 } =\frac{2}{45}

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2 years ago
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3 years ago
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