is it clear now

3. Uster tai area of if with is tepens ut tresederi is Find the t-value(s) for each of the following cases, Round your answers to 3 decimal places. Enter negative values as negative number a. Upper tail area of . 10 with 15 degrees of freedom is b. Lower tall area of . 005 with 50 degrees of freedom is c. Upper tail areatof 20 with 30 degrees of freedom is d. Where 90% of the area falls between these two t-values with 25 degrees of freedom. e. Where 95% of the area falls between these two t-values with 45 degrees of freedom