TV violenceOne hundred boys and 100 girls were asked if they had ever been frightened by a… 1 answer below »

TV violence

One hundred boys and 100 girls were asked if they had ever been frightened by a television program. Thirty of the boys and 60 of the girls said they had been frightened. One of these children is selected at random.

(a) What is the probability that he or she has been frightened?

(b) What is the probability the child is a girl, given that he or she has been frightened?

Posted in Uncategorized

Leave a Reply