Question
The manufacturer of a new machine claims that the machine can, on the average, perform a specified job in 20 minutes or less. A potential
The manufacturer of a new machine claims that the machine can, on the average, perform a specified job in 20 minutes or less. A potential user of the machine wants to test the claim and wants to do so at the 3% level of significance. Accordingly, a simple random sample of 35 machine operations is taken. The mean time is found to be 21.5 minutes, with a standard deviation of 1.9 minutes. Perform the desired test
How do I know what test to perform?
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
