Mrs. Margarita has a garden shaped like a half-shaped circle with a diameter of 55 m. What's the area of Mrs. Margarita's garden? (Give your answer correct to 2 decimal places.)(use π as 3.14 )

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