For n= 1,2,3,...,let Xn be a random variable with mean a and variance c(2n^2+ 1)/(n^3+ 3n) where a and c are constant, real numbers. Show that Xn converges in probability to a. Also, what does Xn converge in distribution to?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia