Reference no: EM132159044

Find the -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 tail area of  .005 with 55 degrees of freedom is  ___.

c. Upper tail area of  .01 with 30 degrees of freedom is  ___.

d. Where 90%  of the area falls between these two t-values with 20 degrees of freedom. ( , )

e. Where 99% of the area falls between these two t-values with 45 degrees of freedom. ( , )