Gabrielle surveyed a random sample of 40 students in her school's cafeteria about whether they ate the cafeteria's tomato soup.

- 14 of the sample students said they did

- a total of 840 eat in the cafeteria everyday

Part A

based on the results of gabrielles survey, how many of the 840 students can be expected to eat the tomato soup?

Part B

isaiah and kaylee also surveyed random samples of 40 students about the tomato soup.

gabrielle - 14 of them did

isaiah - 10 of them did

kaylee - 11 of them did

based on the results of the three surveys what percentage of the 840 students can be expected to eat the tomato soup?

Question

Mathematics

Ian Wilkerson

29 March, 01:24

Gabrielle surveyed a random sample of 40 students in her school's cafeteria about whether they ate the cafeteria's tomato soup.

- 14 of the sample students said they did

- a total of 840 eat in the cafeteria everyday

Part A

based on the results of gabrielles survey, how many of the 840 students can be expected to eat the tomato soup?

Part B

isaiah and kaylee also surveyed random samples of 40 students about the tomato soup.

gabrielle - 14 of them did

isaiah - 10 of them did

kaylee - 11 of them did

based on the results of the three surveys what percentage of the 840 students can be expected to eat the tomato soup?

+4

Answers (1)

Know the Answer?

Orion York · Answer 1

Part A:

14/40=x/840

14*840=40x

11760=40x

294=x

x=294

194 are expected to eat the tomato soup

Part B:

find the average of 10,11, and 14

35/3=11.67

11.67/40=x/840

40x=11.67*840

9802.8=40x

x=245.07

245.07/840

0.29175*100 = 29.175

29.175%