A student found the solution below for the given inequality.
1x-91<-4
x-9>4 and x-9 <-4
x> 13 and x<5
Which of the following explains whether the student is correct?
The student is completely correct because the student correctly wrote and solved the compound inequality.
The student is partially correct because only one part of the compound inequality is written correctly.
The student is partially correct because the student should have written the statements using "or" instead of "and."
The student is completely incorrect because there is no solution to this inequality.

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The following numbers will result in a quotient that is less than 1 when it is divided by ? a.2% e. 1 and 2/3 b.x2 f. 1/5 c. 3/10 g. 7/15 d. 5/9

The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u.s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.