Question

three coins are tossed simultaneously find the probablity of at least of head
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Answer 1

Answer:

Question

✳️three coins are tossed simultaneously find the probablity of at least of head

Solution ⬇️

✍️S={HHH , HHT ,THH , HTH ,TTT ,TTH ,THT, THH}

✍️n(S)=8

• Let A be of getting at least one head

✍️A={HHH,HHT,THH,HTH,TTH,THT,THH}

✍️n(A)=7

$= = > p(a) = \frac{n(a)}{n(s)} = \frac{7}{8}$

Step-by-step explanation:

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