In a simultaneous throw of three coins, what is the probability of getting at least $2$ tails
In a simultaneous throw of three coins, what is the probability of getting at least $2$ tails
- A
$\frac{1}{8}$
- B
$\frac{1}{4}$
- C
$\frac{1}{2}$
- D
None of these
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Which pairs of these events are mutually exclusive ?
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