rs. Williams wants to determine which year-end celebration to choose for the students. She wants student input, so she needs to choose a sample of 20 students from the school. Which of the samples shown is a random sample? Select two answers.
A.
Choose the first 20 students to arrive in the library in the morning.
B.
Choose the 20 students who volunteer for the school fundraising event this Friday.
C.
Give every student a number and select 20 numbers from a box without looking.
D.
Assign students a number and choose the first 20 numbers to come up using a random number table.
E.
Choose the first 20 students from an alphabetized school roster.
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D. Assign students a number and choose the first 20 numbers to come up using a random number table.
C. Give every student a number and select 20 numbers from a box without looking.
Use the excerpt from Franklin Delano Roosevelt's "The Great Arsenal of Democracy" Speech (1940) to answer the question.
Which of the following statements best describes the context of the speech? EXPLAIN ANSWER WITH ONLY RIGHT ANSWERS
A. The United States had not yet become involved in World War II but was willing to sell armaments to Allied forces.
B. The United States had been involved in World War II for more than a year and needed to increase armament production.
C. The United States had been involved in World War II for several months and wanted to supply its military with greater weapons.
D. The United States had just become directly involved in World War II but had already begun mobilization to help Allied forces.
A. The United States had not yet become involved in World War II but was willing to sell armaments to Allied forces.
The context of the speech is centered on the idea of the United States becoming an "arsenal of democracy," which indicates a willingness to help Allied forces with armament production, despite not yet being directly involved in the war. This aligns with option A.
The two samples that can be considered random samples are:
C. Give every student a number and select 20 numbers from a box without looking.
D. Assign students a number and choose the first 20 numbers to come up using a random number table.
These methods involve giving each student an equal chance of being selected and do not introduce bias or preferences.