⇒ 7: 86565; ⇒ 31: 86566; ⇒ 28: 86567; ⇒ 13: 86568; ⇒ 65: 86569; 7

Two-Way Tables Answers — Concepts in Probability…

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What is the relative frequency for students who have been to Alaska?

Answers:

Selection 1:14/50

Selection 2:15/50

Selection 3:21/50

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Question text not available

Answer:

16.5

Question text not available

Answer:

58.9

Question text not available

Answer:

41.1

86565

a = [___] ⇒ 7

Answer:

86566

Question text not available

Answer:

86567

Question text not available

Answer:

86568

Question text not available

Answer:

86569

Question text not available

Answer:

86607

What is the relative frequency for students who have been to Alaska?

Answers:

Selection 1:15/50

Selection 2:21/50

86608

✔ 15/5015/3621/5036/50

✔ 15/50

15/36

21/50

36/50

86609

6/506/21✔ 21/5021/36

6/50

6/21

✔ 21/50

21/36

86610

A summer camp has 32 campers. A total of 22 of them swim, 20 play softball, and 5 do not swim or play softball. Which values complete the table?

a = 15, b = 10, c = 7, d = 5, e = 12

a = 15, b = 7, c = 5, d = 10, e = 12

a = 14, b = 7, c = 5, d = 12, e = 10

a = 14, b = 12, c = 7, d = 5, e = 10

86611

Which statement is true about the marginal frequencies in this table?

191 students play sports and 150 students do not.

153 students do not participate in sports and seventy-five 12th graders were surveyed

153 students do not participate in sports and 190 do.

191 students play sports and ninety-seven 10th graders were surveyed.

86612

Which statement is true about the joint frequencies in this table?

Twenty-three 9th graders and fifteen 11th graders prefer math.

Fourteen 11th graders prefer math and eight 10th graders prefer science.

Thirty-five 12th graders prefer math and nine 10th graders prefer science.

Twenty-three 9th graders and thirty-two 12th graders prefer math.

86613

Find the following relative frequencies to the nearest tenth of a percent. Republican residents of County 1: ⇒ 10.1% Democratic residents of County 1: % Total Republican residents: % Total Democratic residents: %

Answers:

⇒ 10.1:45/445

Part 2:16.5

Part 3:58.9

Part 4:41.1

86614

Which statements are correct? Check all that apply.

More 7th graders were surveyed than 8th graders.

The marginal relative frequency for action movies is 44%.

The joint relative frequency for 8th graders who like comedy movies is 16%.

Most students prefer drama movies.

Half of the 7th graders prefer action movies.

86615

Students from School A and School B were asked whether they watch TV or use the Internet after finishing their homework. The Venn diagram and the two-way table show the results from the two surveys. Which statement is true?

More students do both activities at A than at B.

More students watch TV at B than at A.

More students do neither activity at B than at A.

More students were surveyed at A than at B.

86616

Which statements are correct? Check all that apply.

5 students study both French and Spanish.

63 students study French.

2 students study neither French nor Spanish.

30 students study French, but not Spanish.

63 students study Spanish.

86617