Step-by-step explanation:
to be honest I'm not sure how to do it
Answer:
(-4/3,2]
Step-by-step explanation:
Remember the bracket that I placed
I used Desmos Graphing Calculator. Helps so much!
Hope this helps!
Answer:
(a) 350
(b) 175
(c) 21
(d) 196
Step-by-step explanation:
Number of females = 7
Number of males = 5
Total ways of selecting r items from n items is

(a)
Total ways of selecting 3 females and 2 males.




(b)
Total ways of selecting 4 females and 1 male.



(c)
Total ways of selecting 5 females.



(d)
Total ways of selecting at least 4 females.
Total ways = 4 females + 5 females

