Can someone help me solve this practice problem ?

Click to see additional instructions A new drug trial has begun for a virus vaccine, and a study has been conducted. Group 1 had 51 people in it, that received the vaccine. Their average length of illness was 24.53 days, with a sarr'ple standard deviation of 15.5 days. Group 2 had EDD people in it that did not receive the vaccine. Their average length of illness was 25.2 days, with a sample standard deviation of 15.95 days. The test is being conducted to the 55% confidence level. to find it the treated group had a significantly different outcome from the untreated control group. What is the standard error for this situation? Calculate to the {0.0ou level throughout your calculations. rounding as necessary. SE: Click to see additional instructions A new drug trial has begun for a virus vaccine, and a study has been conducted. Group 1 had 81 people in it, that received the vaccine. Their average length of illness was 24.53 days, with a sample standard deviation of 10.5 days. Group 2 had 200 people in it that did not receive the vaccine. Their average length of illness was 28.2 days, with a sample standard deviation of 15.95 days. The test is being conducted to the 99% confidence level, to find if the treated group had a significantly different outcome from the untreated control group. What is the t-score of this situation, using the SE that you just calculated? Calculate to the (0.000) level throughout your calculations, rounding as necessary. (I've included the negative sign that is necessary, do not put it in the answer field) t-score =