Do problem 50 and answer with one of the answers given, don’t forget to show ur work

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have