Herman figures that it would have cost $2,500 to have a professional build the deck, but he spent only $1,500 on materials. what fraction of the professional fee did he save?
a. 2/5
b.2/3
c1/3
d3/5

An angle that measures between 90 and 180° is called a(,

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

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.