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
Mathematics, 21.06.2019 15:30, Quickshotgirl
Which is the length of the hypotenuse of the triangle a. 94ft b. 214 ft c. 33ft d. 37 ft
Answers: 1
Mathematics, 21.06.2019 16:20, jaylanmahone223
Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?
Answers: 2
Mathematics, 21.06.2019 17:30, SethSimunek
Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61
Answers: 1
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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