Why can't you compare 5 minutes in 240 seconds without making some kind of change

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

In a school 2/3 of the students study a language of those who study a language 2/5 study french

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )