Ghana Rice Company. (GRC) sells rice to selected shops in Accra. GRC uses an automatic machine to fill the bags of rice. Weights of the bagged rice are approximately normally distributed with a mean of 75 kilograms and a standard deviation of 1.5 kilograms. a) GRC is unable to adjust the mean of the filling machine. However, it is able to adjust the standard deviation of the filling machine. What should be the standard deviation so that no more than 2% of all filled bags weigh more than 71.5 kilograms?
Ghana Rice Company. (GRC) sells rice to selected shops in Accra. GRC uses an automatic machine to fill the bags of rice. Weights of the bagged rice are approximately normally distributed with a mean of 75 kilograms and a standard deviation of 1.5 kilograms. a) GRC is unable to adjust the mean of the filling machine. However, it is able to adjust the standard deviation of the filling machine. What should be the standard deviation so that no more than 2% of all filled bags weigh more than 71.5 kilograms?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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. Ghana Rice Company. (GRC) sells rice to selected shops in Accra. GRC uses an automatic machine to fill the bags of rice. Weights of the bagged rice are approximately
a) GRC is unable to adjust the mean of the filling machine. However, it is able to adjust the standard deviation of the filling machine. What should be the standard deviation so that no more than 2% of all filled bags weigh more than 71.5 kilograms?
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