Answer:
B
Step-by-step explanation:
The answers are
x=5
n=3
y=4
k=-80
Answer:
Step-by-step explanation:
intersection = { } no common elements.
union = { b,d,f,a,c,k}
Answer:
C
Step-by-step explanation:
Mux= np
sigmax= 
Mean = 50(.65)
Standard Deviation = 
16.5 because it would 165 divided by 10, so if you were to round it’s 17 because you can’t really get half a person.