The record low temperature in Fargo, ND is -37F. The record high is 109F what is the difference in the record high and the record low temperature? F. 72
G.109
H.33
J.146

It’s either 72 or 146 I’m not sure though! Please help. It will be appreciated.

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