SOLUTION: The numbers of cookies in a shipment of bags are normally distributed, with a mean of 64 and a standard deviation of 4. What percent of bags of cookies will contain between 60 and

Question 1016668: The numbers of cookies in a shipment of bags are normally distributed, with a mean of 64 and a standard deviation of 4. What percent of bags of cookies will contain between 60 and 64 cookies?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
That is what per cent of bags will be between the middle (z=0) and z=-1 sd.
0.1584is the probability from -oo to -1 sd, and 0.50 is the probability from -oo to z=0.
0.3416 is probability from -1 sd to 0 sd
34.2%.
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