The weights of steers in a herd are distributed normally. The variance is 90000 and the mean is 1300 find the probability that the weight of a randomly selected steer is between 850 and 1656 round to 4 decimal points
Z score corresponding to 850 is (850-1300)/300 = -1.5
Z score corresponding to 1656 is (1656-1300)/300 = 1.19
P ( -1.5 < z< 1.19) = 0.8162
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