the weights of egge produced on a farm are normally distributed with a mean of 1.4 ounces and a standard deviation of 0.4 ounces1.what percent of the eggs weight at least 1 ounce?2.how many of 1200 eggs are withiin 2 standard deviations of the mean?3
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![the weights of egge produced on a farm are normally distributed with a mean of 1.4 ounces and a standard deviation of 0.4 ounces1.what percent of the eggs weight at least 1 ounce?2.how many of 1200 eggs are withiin 2 standard deviations of the mean?3](/uploads/image/z/1690433-17-3.jpg?t=the+weights+of+egge+produced+on+a+farm+are+normally+distributed+with+a+mean+of+1.4+ounces+and+a+standard+deviation+of+0.4+ounces1.what+percent+of+the+eggs+weight+at+least+1+ounce%3F2.how+many+of+1200+eggs+are+withiin+2+standard+deviations+of+the+mean%3F3)
the weights of egge produced on a farm are normally distributed with a mean of 1.4 ounces and a standard deviation of 0.4 ounces1.what percent of the eggs weight at least 1 ounce?2.how many of 1200 eggs are withiin 2 standard deviations of the mean?3
the weights of egge produced on a farm are normally distributed with a mean of 1.4 ounces and a standard deviation of 0.4 ounces
1.what percent of the eggs weight at least 1 ounce?
2.how many of 1200 eggs are withiin 2 standard deviations of the mean?
3.to be a graded extra large,an egg must weight at least 2.2 ounces.what is the probability that an egg from this form will be graded extra large?
the weights of egge produced on a farm are normally distributed with a mean of 1.4 ounces and a standard deviation of 0.4 ounces1.what percent of the eggs weight at least 1 ounce?2.how many of 1200 eggs are withiin 2 standard deviations of the mean?3
1、84.13%
2、0.6826×1200=819.12≈819个
3、0.0228