What percent of the sample means will be greater than 28.25 but less than 31.25 seconds

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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