Mathematics, 18.03.2021 01:00 2024056

A random representative survey of 100 seventh-graders in Washington Middle School shows that 20 students read 5 or more books over the summer. If there are 275 seventh-graders at Washington Middle School, based on the sample results how many seventh-graders read 5 or more books last summer?

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A random representative survey of 100 seventh-graders in Washington Middle School shows that 20 stud...