The weights of steers in a herd are distributed normally. The standard deviation

Question

The weights of steers in a herd are distributed normally. The standard deviation is 200 lbs and the mean steer weight is 1300 lbs. Find the probability that the weight of a randomly selected steer is less than 1720 lbs. Round your answer to four decimal places. Answer 2 Points Keypad If you would like to look up the value in a table, select the table you want to view,then either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in the table and select it using the Space key Normal Table -co to -z Normal Table-ctoz

Explanation / Answer

P(x < 1720)

= P((x - mean)/SD < (1720 - 1300)/200)

= P(Z < 2.1)

= 0.9821

  

  

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