I need help with this question please I’ll mark as brilliant

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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