Answer:
x=2/5 or
x=0.4
Step-by-step explanation:
m=number of miles
A=$110+$0.50m
B=$80+$0.80m
$110+$0.50m=$80+$0.80m Subtract ($80+$0.50m)
$30=$0.30m Divide each side by $0.30
100=m ANSWER: More than 100 miles must be driven per day to make Company A a better deal.
Answer:
Step-by-step explanation:
From the given sample of 10 entries we find
Mean =119.2
Median =120
Point estimate of μ.=
b) Suppose there are 25,000 houses in this area that use natural gas for heating. Let τ denote the total amount of gas used by all of these houses during January.
τ =
c) Proportion would be sample proportion = 
d) Population median usage = sample median usage = 120