Upper line is <em>R</em><em>a</em><em>d</em><em>i</em><em>u</em><em>s</em><em> </em>and bottom line is <em>C</em><em>h</em><em>o</em><em>r</em><em>d</em><em> </em>.
If 4 fish are randomly selected, what is the probability that the mean weight will be between 9.6 and 15.6 lb? Round your answer to four decimal places.