A spinner has 20 equal-sized sections. Two of the sections are blue. a. What is the probability that the spinner will land on blue? b. Use words to describe the probability.

What expression is equivalent to 42x-56y

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

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?