Probability of getting at least one 6 in 4 rolls of a die?

Probability of getting at least one 6 in 4 rolls of a die?

Approach: 1 - P(no 6).

671/1296. 1 - (5/6)^4 = 1 - 625/1296.

Follow-up: Is this probability greater than 0.5?

Key concepts: complement rule.