Mathematics, 21.04.2020 18:31, Alreef8468
Statistics students at a community college wonder whether the cars belonging to students are, on average, older than the cars belonging to faculty. They select a random sample of 58 cars in the student parking lot and find the average age to be 8.5 years with a standard deviation of 6.2 years. A random sample of 41 cars in the faculty parking lot have an average age of 5.1 years with a standard deviation of 3.5 years. Note: The degrees of freedom for this problem is df = 93.033791. Round all results to 4 decimal places
Answers: 1
Mathematics, 21.06.2019 20:30, mariahcid904
Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2
Answers: 2
Mathematics, 21.06.2019 21:00, Gabriel134
Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.
Answers: 3
Mathematics, 21.06.2019 21:00, vliu470
Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step
Answers: 3
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