Mary will be taking a 20-question, multiple-choice exam with three choices for each question. She has another important project to be submitted on the same day. If Mary guesses on each question of the exam, find the probability of guessing exactly 8 out of 20 correctly.

Answer 1

prob(correct) = 1/3
prob(wrong) = 2/3

prob(exactly 8 of 20 correct) = C(20,8) (1/3)^8 (2/3)^12
= appr ......

Answer 2

Use the excerpt The Zimmerman Telegram, 1917 to answer the question.
What was Germany's purpose in sending the telegram? Explain
A. to propose an alliance with Mexico against the United States
B. to convince Mexico to become involved in the First World War
C. to demonstrate to the United States that it was surrounded by enemies
D. to create a situation in which Mexico was forced to surrender its colonies

Answer 3

A. to propose an alliance with Mexico against the United States.

Answer 4

Use the excerpt The Zimmerman Telegram, 1917 to answer the question.
What was Germany's purpose in sending the telegram? EXPLAIN YOUR ANSWER
A. to propose an alliance with Mexico against the United States
B. to convince Mexico to become involved in the First World War
C. to demonstrate to the United States that it was surrounded by enemies
D. to create a situation in which Mexico was forced to surrender its colonies

Answer 5

The purpose of Germany in sending the Zimmerman telegram was to propose an alliance with Mexico against the United States. The telegram stated that if Mexico joined the war on Germany's side, they will receive financial support, and in return, they needed to attack the United States. The main intention of Germany was to create chaos in North America, and keep the United States occupied with the attack from Mexico, so that Germany could focus on the war in Europe. Therefore, option A is the correct answer.