Question 1170954
mean = 6.9
-+ 1 std dev = 5.6, 8.2
-+ 2 std dev = 4.3, 9.5
-+ 3 std dev = 2.9, 12.8


a) between 3 and 8 pounds: from -2 to 1 on the chart ---> 81.5%
(1300)(81.5%) = 1059 (rounded down to the nearest integer)


b) less than 6 pounds: everything to the left of -1 on the chart ---> 16%
(1300)(16%) = 208


c) between 5.6 and 9.5 pounds: from -1 to 2 on the chart ---> 81.5%
(1300)(81.5%) = 1059 (rounded down)
*[illustration normal_dist.png]