3. The weight of a regular bag of new powdered milk are normally distributed with mean 500 grams and a standard deviation a. The quality control analyst approves bag which are at least 480 grams. If 97% of the bags are approved, a. What is the z-score corresponding to 480 grams? b. What is the standard deviation?

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3. The weight of a regular bag of new powdered milk are
normally distributed with mean 500 grams and a standard
deviation a. The quality control analyst approves bag which
are at least 480 grams. If 97% of the bags are approved,
a. What is the z-score corresponding to 480 grams?
b. What is the standard deviation?
FLEXBLE LASALLIAN EDUCATION THROUGH TECHNGLOGY AND COLLABORATION AT HOME
Transcribed Image Text:3. The weight of a regular bag of new powdered milk are normally distributed with mean 500 grams and a standard deviation a. The quality control analyst approves bag which are at least 480 grams. If 97% of the bags are approved, a. What is the z-score corresponding to 480 grams? b. What is the standard deviation? FLEXBLE LASALLIAN EDUCATION THROUGH TECHNGLOGY AND COLLABORATION AT HOME
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