a coin is tossed , then a number 1-10 is chosen at random.what is the probability of getting heads then a number less than 4?
1 answer:
Probability of sequences can be calculated by multiplying the chance of the first event by the chance of the second, and so on.
The probability of tossing a coin and getting heads is 50%, or 0.5, and the probability of selecting a number less than four from 1-10 is 40%, or 0.4.
The overall probability can then be expressed as:
0.5 x 0.4 = 0.2 or 20%
There is a twenty percent chance that a heads would be tossed and a number less than four selected.
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