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- Question 1900 secondsQ. A survey should always be ____ and ____.answer choices
- Question 2900 secondsQ.
At an assembly 7 out of 10 students who entered the gym were carrying a backpack. Based on this information, if 700 students were at the assembly, how many students could be expected to be carrying a backpack?

answer choices - Question 3900 secondsQ. Ana wants to know the average studentâ€™s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?answer choices
- Question 4900 secondsQ.
A public library asked every 10th person who entered to name the type of book they were getting

answer choices - Question 5900 secondsQ. A sample should beanswer choices
- Question 6900 secondsQ.
The Student Council asked every tenth student in the lunch line how they preferred to be contacted with school news. The results are shown in the table. Is this an unbiased sample? If yes, suppose there are 684 students at the school. How many can be expected to prefer E-mail?

answer choices - Question 7900 secondsQ.
A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.

answer choices - Question 8900 secondsQ.
A radio station asks its listeners to dial one of two numbers to indicate their preference for one of two candidates in an upcoming election. Of the responses received, 76% favored candidate A. If there are 1,500 registered voters, how many will vote for candidate A?

answer choices - Question 9900 secondsQ.
To determine the number of umbrellas the average household in the United States owns, a survey of 100 randomly selected households in Arizona is conducted. Of the households, 24 said that they own 3 or more umbrellas. The researcher concluded that 24% of the households in the United States own 3 or more umbrellas. Is the this a valid conclusion? Justify your answer.

answer choices - Question 1060 secondsQ.
A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

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