SOLUTION: The times per week a student uses a lab computer are normally distributed, with a mean of 6.4 hours and a standard deviation of 1.1 hours. A student is randomly selected. Determine
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Question 1139219: The times per week a student uses a lab computer are normally distributed, with a mean of 6.4 hours and a standard deviation of 1.1 hours. A student is randomly selected. Determine the probability that the student uses a lab computer less than 5 hours per week.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x-mean)/sd
<(5-6.4)/1.1
<-1.27
That probability is 0.1020.
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