Three unbiased coins are tossed. The probability of obtaining at least one head is
A. 1/8
B. 2/8
C. 6/8
D. 7/8
Answer:D
Three unbiased coins are tossed. The probability of obtaining at least one head is
A. 1/8 B. 2/8 C. 6/8 D. 7/8