On a field trip there are 18 chaperones supervising 81 children. If the children are broken into groups how many adults are needed for a group of 27 kids

15 points ! ~ see if you know the answer to both you!

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

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