84 out of a random sample of 125 students found their math textbook unreadable. Find population proportion for this sample.  Find a 90% confidence interval for p, the true proportion of all students who found their math textbook unreadable. Based on your result in b), is it reasonable to conclude that fewer than 75% of all students find their math textbook unreadable?

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A: Thank you for posting the question. Since you have asked multiple question, we will solve the first…

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A: Solution

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Q: In a survey of health workers, 25 percent stated that they expect to be promoted after 3 years of…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.