Question Answered step-by-step need correct answer rounded to 2 decimal points. QUESTION 6 The claim is a mean is 98 and you want to prove it is less. Test the hypothesis using an alpha of 0.1. Your sample of 23 had a mean of 97.02 and standard deviation of 10.78. Calculate the Critical Decision Rule. QUESTION 7 What are the lower Confidence Interval for a random sample of 98, mean of 54, standard deviation of 10.8, and confidence level of 0.91? Use two decimal points for all questions in this test unless a specific question asks for something different…. Show moreMath