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Mathematics
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A basketball player has 2 free shots. Probability to take a point both times is 0.6, one time 0.2 and not to take a point 0.2. a) If he has 100 times 2 free shots, find a probability that he’ll take <170 points b) How many times should he do 2 free shots to take at least 100 points with probability 0.9? sorry for bad grammar :)

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