Answer:
The comparison of two population means is very common. A difference between the two samples depends on both the means and the standard deviations. Very different means can occur by chance if there is great variation among the individual samples.
Step-by-step explanation:
This answer involves both Yes and No
The wording "earns 8% interest each year" does not make it clear whether the savings account interest is compounded. (It usually is in real life, but not always in math problems.) The graphical solution shows both simple interest and interest compounded annually.
Simple interest: the balances will both be $2941.18 after 5.88 years.
Compound interest: the balances will both be $3111.06 after 5.74 years.
Answer:
738 miles
Step-by-step explanation:
324 miles = 18 gallons
18 miles = 1 gallon
738 miles = 41 gallons
7.5 * 15 = 112.5mm. The model tree is 112.5mm high.