SOLUTION: The weight of a certain type of chicken, when ready for the market, follows a normal distribution with mean 1.0 kg and a standard deviation of 0.20 kg. Find in a group of 300 chic

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Question 1075150: The weight of a certain type of chicken, when ready for the market, follows a normal distribution with mean 1.0 kg and a standard deviation of 0.20 kg. Find in a group of 300 chickens ready to be shipped to a supermarket how many will weigh between 0.80 kg and 1.50 kg?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This is between -1 and +2.5 sd, since z=(x-mean)/sd
z is between -1 and +2.5 (calculator or table) probability of 0.8351
That means that 300*0.8351 will be shipped, or 250.54 or 251.