need help on these questions asap

Incorrect Question 1 0 / 10 pts Suppose we gather N = 16 samples from a random variable. If X = -37.6 and ox = 5.01, what is the lower bound of a 99% confidence interval around X? Please enter your answer rounded to 2 decimal places. -40.83 0 / 10 pts Incorrect Question 2 If we're calculating a sample proportion, where we expect p ~ 0.08, what sample size is required for a 99.9% confidence interval with a margin of error of 0.01? Please round up and enter your answer as the next highest whole number. 7,970