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3. A fair coin is flipped eight times and the number of heads is counted. Calculate...


3. A fair coin is flipped eight times and the number of heads is counted. Calculate the probability that the coin will land h
3. A fair coin is flipped eight times and the number of heads is counted. Calculate the probability that the coin will land heads more than 6 times. 4. A coin is flipped 8 times. Calculate the mean, variance and standard deviation
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3. 1. Å fair coin is tossed 8 times. so, n=8, p = probability of heads Suppose, x;=so if ith flip results in ooo head. X > xial Craponna a Ta-12! (-2! det, ka X-1, 50, x=k+! ktl noi me n ! nalok - bac1-6) ! (M - R 1 - *)! n -1-R k sok not nb 2 - Cl-ni n- a € ( x (x-1)) : 192 (7-2 ) (n -x ) a = kt2 det, kar-2, so, K + 2 B n-2-k n2 ! P C I-E) = 2 in uzo k! CM-2-4)! n-2 md.

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