4. [1/11 Points] DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER You are testing the following null and alternative hypotheses using a=0.05 : Ho: M = 0; Ha: H 67 Find the sample mean x, the sample standard deviation s , the appropriate t-statistic and p -value. Use Excel when necessary and give all answers to four decimal places. Sample mean = Sample standard deviation = t = p =