A cosmetic powder is machine packaged in a process that puts approximately 50 g of powder in each package. The actual masses have a normal distribution with mean 50.5 and standard deviation 0.6. The manufacturers want to ensure that each package contains at least 49.5 g of powder. What percent of packages do not contain this much powder?
Added by Joseph B.
Step 1
5 g of powder. To do this, we will use the z-score formula to standardize the value of 49.5 g in terms of the normal distribution with mean 50.5 g and standard deviation 0.6 g. Show more…
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