Question

two coins are tosssed plz say ans.plz.....

Answer 1

[0010001111]... Hello User... [1001010101]
Here's your answer...

The possible cases are {(H, H), (H, T), (T, H), (T, T)}
= 4 possible cases.

i. At most one head.
This means that the number of heads can only be less than or equal to 1.
The cases for this are {(H, T), (T, H), (T, T)}
= 3 cases
Probability = 3/4

ii. At most one tail
This means that the number of tails can only be less than or equal to 1.
The possible cases are {(H, T), (T, H), (H, H)}
= 3 cases
Probability = 3/4

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