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05.05.2020 •
Mathematics
Carla has a list of all 720 students in her middle school. She writes the name of each student on a slip of paper and puts each slip in a box. Then she pulls out 30 names from the box to decide who she will survey about the upcoming school election. How many students are in Carla's Sample?
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Ответ:
Step-by-step explanation:
Given that,
Clara has a list of 720 names
She decided to survey 30 names from the sample.
It is very straight forward, there are 30 names in Clara sample
But this sample can be use to generalize the overall population of 720 students if they are given equal chances of being selected maybe by taking a survey or picking their names randomly from a box
If it not a biased sample then we can use the survey to generalized the overall population
So, there are 720 names in Clara's sample
Ответ:
Side 1: 8 inches * 2 = 16 inches
Side 2: 10 inches * 2 = 20 inches
Side 3: 12 inches * 2 = 24 inches.