4) James Madison was born on March 16, 1751. John F. Kennedy was born on
May 29, 1917. If they were both still
alive today, how much older would
James Madison be than John F.
Kennedy?

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

What is the range for 31,39,29,34,37,24,36,33,34,28