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(07.04) the solution to 5.2x = 14.04 is x = 0.37 2.7 8.84 73.01

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Can someone me with this problem i don't understand i need

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