Paulene has scored a goal in 70% of the games she played. What is the probability that she would score a goal in at least 7 of her next 8 games.

prob of scoring= 7/10 = .7

prob of not scoring 3/10 = .3

to score in 7 of 8 games
= C(8,7)(.7)^ 7 (.3) + C(8,8)(.7)^8
= ....