Question: #8. The plasma levels of adrenomedullin for 38 women with recurrent pregnancy loss had a mean of 5.6 pmol/1 and a sample standard deviation of 1.9 pmol/1, where pmol/1 is an abbreviation of picomoles per liter. A. Find a 90% confidence interval for the mean plasma level of adrenomedullin for all women with recurrent pregnancy loss. (B) Interpret A.