The town of KnowWearSpatial, U.S.A. operates a rubbish waste disposal facility that is overloaded if its 4601 households discard waste with weights having a mean that exceeds 27.21 lb/wk. For many different weeks, it is found that the samples of 4601 households have weights that are normally distributed with a mean of 26.95 lb and a standard deviation of 12.69 lb.
What is the proportion of weeks in which the waste disposal facility is overloaded?
P(M > 27.21) =
Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
Is this an acceptable level, or should action be taken to correct a problem of an overloaded system?
What is the proportion of weeks in which the waste disposal facility is overloaded?
P(M > 27.21) =
Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
Is this an acceptable level, or should action be taken to correct a problem of an overloaded system?