alexuuuhg6198 alexuuuhg6198
  • 06-06-2023
  • Mathematics
contestada

If pmf of a random variable is given by f(X=n)= n(n+1)(n+2)
4
​ ,n≥1 Show that E[X]=2

Respuesta :

Otras preguntas

Which President is credited with first normalizing relations with China? A) Gerald Ford B) Jimmy Carter C) Richard Nixon D) Ronald Reagan
General mills actively researches people who​ don't buy their products to find out why they are not adopters. this practice is most likely to occur during which
Help with bottom questions
In each case tell which sn2 reaction will proceed faster. 1. the displacement on 2-bromopropane by (a) ch3ch2o- or (b) cn-. 2. the displacement by oh- on (a) h2
how would you explain species that remain the same for millions of years
What is the algebraic expression for "the difference between seven times a number and three times that number"?
Which element makes a text's tone more casual? A. Correct sentences B. Terms of endearment C. Proper punctuation D. Slang
Why do you think African Americans became so involved in the Union war effort?​
Why did President Reagan order the CIA to recruit the Contras? a.) He wanted to use the Contras to help free US hostages being held by terrorists. b.) He though
Two cylinders, a and b are created cylinder a has volume v culinder b has the same height as a cylinder be has half the width of cylinder a write an expression