Use this information to solve Exercises.
a. Use the appropriate line graph to determine the percentage of seniors who used alcohol in 2000.
b. Use the appropriate formula to determine the percentage of seniors who used alcohol in 2000. Does the formula underestimate or overestimate the actual percentage displayed by the graph? By how much?
c. Use the appropriate line graph to estimate the percentage of seniors who used marijuana in 2000.
d. Use the appropriate formula to determine the percentage of seniors who used marijuana in 2000. How does this compare with your estimate in part (c)?
e. For the period from 1980 through 2009, in which year was alcohol use by seniors at a maximum? Estimate the percentage of seniors who used alcohol in that year.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.