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

what is a rational number between -1/6 and -2/6
what is a rational number between -1/6 and -2/6
Name four behaviors that animals must use to survive
what is E=m² the famous theory of albert einstien?
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
Ned weighs 1.5 times as much as Jill and Tom weighs 15 kilograms more than Jill. If their combined weight is 190 kilograms, how much does each person weigh?
What are the organelles of a cone cell?
2 m3 of soil containing 35% sand was mixed into 6 m3 of soil containing 15% sand. what is the sand content of the mixture?
what is a rational number between -1/6 and -2/6
what is E=m² the famous theory of albert einstien?