Drawing a red tile from a bag and then drawing a green tile after replacing the first tile. dependent or independent?

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal