Gabe is a new car sales manager. He started on the first day of February. The previous sales manager kept strange notes to count how many cars he had on his lot. Gabe needs to determine the number of cars on the lot. The starting count of cars in January was 124. 42 less than 4 times that amount of cars were delivered to the dealership in January. 13 cars were returned by customers and 5 of those cars were donated to charity. How many cars are on the lot? You must show work!

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.