, = etc). Then determine if the test is left-tailed, right-tailed or two-tailed test. Sketch anormal distribution for sampling and determine the acceptance and rejection regions for thenull...

Extracted text: Q1- For each claim, write null hypothesis and alternative hypothesis in words and symbols (<,>, = etc). Then determine if the test is left-tailed, right-tailed or two-tailed test. Sketch a normal distribution for sampling and determine the acceptance and rejection regions for the null hypothesis. a) An high school advertizes that the proportion of its students who are involved in at least one extracurricular activity (such as sports, arts etc) is 62%. b) A company advertizes that the mean life of its furnaces is more than 15 years. c) A medical research team claims that the mean recovery time for patients after a new treatment technique is less than 95 hours.