use c++ please

Program #2: Write a program named Exam2Program2 that reads four disk file named numbers.txt, which you'll crea computes and displays the mean and standard deviation of the four numbers formulas. Calling the four numbers xi, x2, x:s, and xa, the mean m is given by te using Microsoft Notepad. The program progr then And the standard deviation s is given by Your program must contain at least the following three functions: nction that takes as parameters four numbers and returns the mean of those numbers. A function that takes as parameters four numbers and returns the standard deviation of those numbers. . .A main function that reads four numbers from the file named numbers.txt, calls the other two functions, and displays the resuks Your program should display its results on the screen in clearly worded sentences that use correct spelling and punctuation. The results to be displayed are the list of the original four numbers the mean .the standard deviation All numbers should be displayed to three decimal places. Note: In writing this program you do n