11.30 Each of the following is a calculated F statistic with its degrees of freedom. Using the F table, estimate the level of significance for each. You can do this by indicating whether its likelihood of occurring is greater than or less than an alpha level shown in the table.

a. F = 4.11, with 3 dfbetween and 30 dfwithin

b. F = 1.12, with 5 dfbetween and 83 dfwithin

c. F = 2.28, with 4 dfbetween and 42 dfwithin