Fie a multimea numerelor naturale de trei cifre, fiecare fiind scris cu cifrele 2,5 si 7, astfel incat cifrele nuse repeta in scrierea numarului respectiv.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e. g. 98.7654). x f(x) 0 1 2 3

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Factor the polynomial by its greatest common monomial factor.