Angle relationships in geometric figure

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

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

According to the data set, where should the upper quartile line of the box plot be placed?