Please help work is due in a couple of minutes

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

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.