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braydenmcd02
17.07.2019 •
Mathematics
Which of the following is an example of conditional probability? a. getting tails on a coin toss b. getting a 5 on a spin c. rolling a 4 on a die and rolling an even number on another die d. drawing an ace from s deck of cards
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Ответ:
Because the second event is affected by the previous event.
The events are dependent
Ответ:
We know all 3 sides so we will use the Law of Cosines
cosine (C) = (a^2 + b^2 -c^2) / 2ab
cosine (C) = ( 10^2 + 13^2 -17^2) / 2 * 10 * 13
cosine (C) = (100 + 169 -289) / 260
cosine (C) = -20 / 260
cosine (C) = -.0769230769
arc cosine (-.0769230769 ) = 94.412 Degrees
Source:
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