Find the 90% confidence interval for the standard deviaiton of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed.

### Recently Asked Questions

- Please refer to the attachment to answer this question. This question was created from Theory of metal machining-2M.

- A student kicks a ball that is initially at rest on the ground. The ball leaves the student's foot with some velocity v at an angle θ. When the ball is at its

- 1) Why do companies need to research their international markets? 2) How can use of the Product Life Cycle (PLC) assist international marketers?