Answer:
I dont know you never explain properly
Step-by-step explanation:
2. random samples are the least biased samples.
Answer:
D
Step-by-step explanation:
if x= number of hours replace the x by 9
so you have 5×(1.50)^9+10=
5×(192.21)+10 = 202.21 so 202 will be nearest whole number
Answer:
a = 
Step-by-step explanation:


(now you can multiply the whole equation by 6 to remove the fractions
4a - 1 = 2
4a = 2+1
4a = 3
a = 
Answer:
d is equal to or greater than 9
Step-by-step explanation:
Subract thirteen from both sides of the equation.