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Seventy 5 percent of 6th graders attend school in a particular urban district. If a sample of 450 6th grade

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Seventy 5 percent of 6th graders attend school in a particular urban district. If a sample of 450 6th grade children is selected.
1. Find the probability that at least 290 are actually enrolled in the school
2. Find the probability that less than 300 are actually enrolled in the school.
3. Find the probability that more than 280 are actually enrolled in the school.

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Answer rating: 100% (QA)

Convert this to a normal approximation np mean or 450 5 or 22 View the full answer


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Related Book For  answer-question
Statistics The Art and Science of Learning from Data

Statistics The Art and Science of Learning from Data

ISBN: 978-0321755940

3rd edition

Authors: Alan Agresti, Christine A. Franklin

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Posted Date: May 04, 2022 01:41:31
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