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Question: A coin is tossed ‘n’ times. The probability that head will turn up an odd no. of times is :...

A coin is tossed ‘n’ times. The probability that head will turn up an odd no. of times is :

A

B

n−12n\frac { \mathrm { n } - 1 } { 2 ^ { \mathrm { n } } }

C

12\frac { 1 } { 2 }

D

None

Answer

12\frac { 1 } { 2 }

Explanation

Solution

P ŗ ------- or ------ = =

= 12\frac { 1 } { 2 }