Question

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How many times must a toss a fair coin, so that the probability of having atleast one head is more than 80% .​

Answer 1

Answer:

We need to find n such that the probability of getting at least one head is more than 80%. 8 > 5. The value of n = 3. Hence, the man tosses at least 3 times.

Step-by-step explanation:

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Answer 2

Answer:

◦•●◉✿We need to find n such that the probability of getting at least one head is more than 80%. 8 > 5. The value of n = 3. Hence, the man tosses at least 3 times.✿◉●•◦