Homework 11.6



Homework 11.6

11. P (A+ B) = P (A) + P (B)

P (odd number) = 4/8

P (less than 4) = 3/8

P (odd number or less than 3) = 4/8 + 3/8

= 12/8

= 3/2

12. P (A+ B) = P (A) + P (B)

P (odd number) = 4/8

P (greater than 3) = 5/8

P (odd number or greater than 3) = 4/8 + 5/8

= 9/8

13.

Genderprofessor assistant total

Male 151227

Female 111324

Total262551

P (professor or a male) = P (Professor) + P (male)

= 26/51 + 27/51

= 53/51

14.

Genderprofessor assistant total

Male 141428

Female 11516

Total251944

P (assistant or a female) = P (assistant) + P (female)

= 19/44 + 16/44

= 35/44

15. ...