SOLUTION: The weight of the bags of fertilizer is normally distributed, with a mean of 45 pounds and a standard deviation of 5 pounds. What is the probability that a bag of fertilizer will w

Algebra ->  Probability-and-statistics -> SOLUTION: The weight of the bags of fertilizer is normally distributed, with a mean of 45 pounds and a standard deviation of 5 pounds. What is the probability that a bag of fertilizer will w      Log On


   



Question 1040012: The weight of the bags of fertilizer is normally distributed, with a mean of 45 pounds and a standard deviation of 5 pounds. What is the probability that a bag of fertilizer will weigh between 38 and 50 pounds?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
z=(x-mean)/sd
z=(38-45)/5=-7/5=-1.4
z=(50-45)/5=+1
It is the probability z is between -1.4 and +1. That is more than 68% and it is 0.7606