Draw the conclusion by using the five-step hypothesis testing procedure. Show your solution either using the critical value method or the p-value method. A group of eye specialists claims that 25% of...

Draw the conclusion by using the five-step hypothesis testing procedure. Show your solution either using the critical value method or the p-value method.

A group of eye specialists claims that 25% of their patients with astigmatism are teenagers. After surveying 42 patients in a certain clinic, they found that 8 of them are teenagers. Using a 90% confidence level, test whether their claim is supported or not.