Question 359101
P(bad)={{{5/100=0.05}}}
P(good)={{{0.95}}}

.
.
.
P(at least 1)+P(none)={{{1}}}
P(at least 1)=1-P(none)
P(none)={{{(0.95)^10=0.59874}}}
P(at least 1)={{{1-0.59874}}}
P(at least 1)={{{0.40126}}}