A livestock company reports that the mean weight of a group of young steers is 1157 pounds with a standard deviation of 52 pounds. Based on the model ​N(1157​,52​) for the weights of​ steers, what percent of steers weigh ​a) over 1300 ​pounds? ​b) under 1200 ​pounds? ​c) between 1000 and 1100 ​pounds?

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A livestock company reports that the mean weight of a group of young steers is
1157 pounds with a standard deviation of 52 pounds. Based on the model ​N(1157​,52​) for the weights of​ steers, what percent of steers weigh
​a) over
1300
​pounds?
​b) under
1200
​pounds?
​c) between
1000
and
1100
​pounds?
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