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Leni [432]
3 years ago
5

Two coins are tossed simultaneously. Find the probability of getting

Mathematics
1 answer:
Elodia [21]3 years ago
4 0
(i) Probability of getting two heads = 0.5*0.5 = 0.25
(Here we multiply the probability of getting a head by the probability of getting a head)

(ii) Probability of getting at least one head = 0.5*0.5 + 0.5*0.5 + 0.5*0.5 = 0.75
(Here we add the probability of getting a head and a head to the probability of getting a head and then a tail and then add the probability of getting a tail and then a head)
The second way to do this is to subtract the probability of not getting any heads (ie. getting a tail and a tail) from 1:
1 - 0.5*0.5
= 1 - 0.25
= 0.75
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