Martin is asked to find the probability of getting 1 head and 3 tails on 4 coin tosses. This is a simple event
1 answer:
The possible outcomes for 1 HEAD and 3 TAILS are HTTT THTT TTHT TTTH Assuming the coin is a fair coin, we have: Probability of tossing head is 0.5 Probability of tossing tail is 0.5 Probability of tossing the coin four times for each outcome combination listed above is HTTT = 0.5×0.5×0.5×0.5 = 0.0625 THTT = 0.5×0.5×0.5×0.5 = 0.0625 TTHT = 0.5×0.5×0.5×0.5 = 0.0625 TTTH = 0.5×0.5×0.5×0.5 = 0.0625 Hence, probability of getting three tails and one head from 4 tossing is 4×0.0625 = 0.25
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