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Murrr4er [49]
3 years ago
13

Find the volume of a rectangular prism with length 8 m, width 7 m, and height 5 m.

Mathematics
1 answer:
Tju [1.3M]3 years ago
4 0
V= L*W*H
V=8*7*5
V=280m3
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3 years ago
Alex and bob are playing 5 chess games. Alex is 3 times more likely to win than bob. What is the probability that both of them w
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Answer:

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Step-by-step explanation:

Lets firstly find out the probabilities for Alex and Bob. We know that the prb that Alex wins is 3 times the prob for Bob, so:

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And, as these values are probabilities they must sum 1:

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Replacing the first equation in the second:

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Dividing both sided by 4:

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Now we have to find the probability that both win at least two games. Lets think about the possible combination of cases. As they play 5 games and both have to win at least to there is a remaining game that cane variate, this is, can be won by Alex or Bob. So, we can have:

AABBB

AABBA

Where A is "Alex win" and B is "Bob win" (here we do not pay attention to the order).

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So,

P (at least 2) = P(3A and 2B) + P(2A and 3B) = 0.026 + 0.096 = 0.122 = 12.2%

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