phenixcasey phenixcasey
  • 20-01-2023
  • Mathematics
contestada

in a group of 42 students 17 use pens for writing and 21 use pencils for writing. find the probability that a student picked from this group at random is using a pen or pencil?

(Using addition rule of probability)

Respuesta :

Otras preguntas

The Puritans migrated to New England to a. escape religious persecution. b. establish Catholic missions. c. maintain the practices of the Anglican Church. d
Solve this equation using the quadratic equation: 3x^2 +4x +2 =0 ( plz show all work)
Which word and punctuation mark corrects the punctuation error in this sentence? They met with William H. Morrison, Sr. on Monday at 8:45 A.M. A. Monday, B. Sr
Why do you never see the far side of the moon from Earth?
Identify the original source of energy for all food webs
Pls someone help me with part b and their is 5.6 acres
Which historical event is considered a hoax by some people ? A.the Gettysburg address B.the civil rights era C.the civil war D.the 1969 moon landing
When exercising in the heat, you should __________.
What is the exact volume of a sphere with a diameter of 30 in.?
14. Ari is giving 14 books to 2 differentlibraries. Each library gets an evennumber of books and a minimum of 2books. How many ways can Ari givethe books? Show