Question

it is known that a certain lacrosse goalie will successfully make a save 85.11 % of the time. Suppose that the lacrosse goalie attempts to make 12 saves. What is the probability that the lacrosse goalie will make at least 10 saves?

Answer 1

Answer:

the person aboce is correct ...

Answer 2

$P(X\geq10)=P(X=10)+P(X=11)+P(X=12)=\binom{12}{10}p^{10}(1-p)^2+\cdots=73.95\%$