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14-11-2022
Mathematics

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8.
Police reports about the traffic accidents they investigated last year indicated that 40% of the accidents involved
speeding, 25% involved alcohol, and 15% involved both risk factors.
a) What is the probability that an accident involved alcohol, but not speeding?
7,25
.8
b) What proportion of accidents last year involved neither speeding nor alcohol?
c) Given that an accident involved speeding, what is the probability that it involves alcohol?
1 block ones Half asleen one morning, you grab 2

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