Carrie asked 50 randomly selected middle school students at Kind's High School about their favorite fast food item. Twenty-one selected french fries. If there are 350 middle school students at King's High School, estimate how many will select french fries as their favorite fast food.
a)141
b)147
c)153
d)159
Is the answer d/
use the same proportion:
350 * (21/50) = 147
How did you come by d?
the answer is 147
350 ÷ 50 = 7
21 x 7 = 147
yes that is correct it is 147
there is muliple ways to do this question.
21/50 x 350 =147
or
350/50 =7
then 21 x 7, which will be =147
both of these will work.
so
#17 B.
1. B. 5
2. D. 280
3. D. Survey 100 randomly selected movie-goers from the entire complex.
4. A. A double bar graph
5. D. 10
6. D. Sandy ridge, 14; Autumn care 12
7. D. Which do you like better, coffee or fresh, tasty water?
8. D. 6000
9. C. The scatter plot shows a positive trend. As the number of roller coasters increase, the total cost increase.
10. B. The plots are increasing.
11. B.
7]0 1
6]1 5 7
5]0 2 4 5
4]0 6 8
3]3 8
12. C. No, this survey encourages students to choose dogs as their favorite animal and doesn't allow them to choose another type of animal.
13. C. (Rasies with cluster above 600.) Best way I know to describe it.
14. D. The man is not a good measure of the typical temperature because a few higher temperatures pull the mean higher than most of the daily temperatures.
15. A. The first and last bar should be equal.
16. C. Line plot
17. B. 147
18. No, the definition of random is to have chosen without method or conscious decision. Their survey would have a method.
19. Y axis does not start at 0.
Please refrain from copying word for word on the essay.