Answer:
Yes, it is a valid random sample for if I were to randomly survey 50 people from the phone books of 20 randomly chosen cities.
Step-by-step explanation:
(12+8)x6=120
(>'-'<)
pov: im getting free points
Area formula
Then
hdsjhsysbbdjdhxhchdbbdhd
4.16
Mixed Number = 4 1/6
Decimal = 4.16
Fraction = 4.1666666
Percentage = 416%