You can clean a park in 2 hours. Working together, you and your friend can clean the park in just 1.2 hours.

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

Acircle has a circumference of 28.36 units what is the diameter of the circle

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?