Mathematics, 02.06.2021 02:10 301235
Carla has a list of 720 students in her middle school, which goes from grade 5 to
8. She wants to survey 40students in the middle school about the upcoming
election. Which of the following would NOT ensure a valid random sample?
O Randomly select 10 names from each grade to survey.
Select every 5th person who enters the cafeteria until 40 students are surveyed.
Pull 40 names out of a hat containing the names of all 720 students and survey them.
Survey 40 eighth graders because they are the oldest and know more about the
election
Answers: 3
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The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.
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Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label
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Carla has a list of 720 students in her middle school, which goes from grade 5 to
8. She wants to s...
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