Question

Mean of the number obtained on the throwing a die having written one on three faces two on two faces and five on one face

Answer 1

heya,

Accirding to me your answer should be 2

Hope its help you

step-by-step Explanation

total outcomes=6

sigma fixi=1+1+1+2+2+5. (according to your question)

sigma fixi=12/n

=12/6

=2