Question

To estimate the size of the grizzly bear population in a national park, rangers tagged and released 12 grizzly bears into the park. A few months later, 2 out of 21 grizzly bears sighted were tagged. Assuming the population of tagged bears in the population, estimate the number of grizzly bears in the population of this national park

Answer 1

To estimate the size of the grizzly bear population in a national park, rangers tagged and released 12 grizzly bears into the park. A few months later, 2 out of 21 grizzly bears sighted were tagged. Assuming the population of tagged bears in the population, estimate the number of grizzly bears in the population of this national park.
a.
24 grizzly bears
b.
126 grizzly bears
c.
252 grizzly bears
d.
22 grizzly bears

Answer 2

Jeremy's car went 300 miles (highway) on 10 gallons of gasoline. What was the average number of miles per gallon?
a.
31 mpg
c.
32 mpg
b.
29 mpg
d.
30 mpg