Find the value that locates an area in the upper tail of the F distribution; that is, find Fa for the following values of

Find the value that locates an area α in the upper tail of the F distribution; that is, find Fa for the following values of α and degrees of freedom.
a. α = .05, df1 = 6, df2 = 45
b. α = .025, df1 = 8, df2 = 55
c. α = .01, df1 = 7, df2 = 38
d. α = .10, df1 = 12, df2 = 87
e. α = .005, df1 = 7, df2 = 46
f. α = .001, df1 = 15, df2 = 58