TS ICET 24 May 2018 Shift 1 Paper

Question : 146 of 200

Marks: +1, -0

An unbiased coin is tossed 6 times. The probability o f getting at least one head is

Solution:

The probability of getting at least one head = 1 – probability no head

=1-\;{6 C _{0}}/{2^{6}}=1-\;{1}/{64}=\;{63}/{64}

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