The margin of error decreases with an increased sample size and increases with an increase in confidence level.
Answer:
it is a it's a
Step-by-step explanation:
Answer:
Consultant B :)
Step-by-step explanation:
Ooh, scary math
n+2b=67.5
n=27
27+2b=67.5
minus 27 both sides
2b=40.50
divide both sides by 2
b=20.25
a bracelet costs $20.25
Answer:
8/7
Step-by-step explanation: