For one month, gilda’s cell phone bill costs $40 plus an additional 8 cents per text message. is she can only afford a total bill of $50 for a month, find the maximum number of text messages she can send in one month.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Is a positive integer raised to a negative power always positive

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