How many bit strings contain exactly five 0s and 14 1s if every 0 must be immediately followed by two 1s?

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

I'll give brainliest if you answer right : )

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?