Genevieve collected pledges of $3.50 for every complete mile she runs in a charity race. her goal is to raise at least $50.00. genevieve wrote the inequality 3.5m ≥ 50 to find out how many miles she needs to run. genevieve thinks she needs to run at least 14 miles. but carla says genevieve needs to run more miles than that. who is correct and why? a. carla is correct because 3.5 × 14 is less than 50.b. genevieve is correct because 3.5 × 14 is about 50.c. carla is correct because 3.5 × 14 is not equal to 50.d. genevieve is correct because 3.5 × 14 is greater than 50.

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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.

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